4,653 results match your criteria Optometry and Vision Science[Journal]


Serous Retinal Detachment Causes a Transient Reduction on Spectral Domain OCT Estimates of Ganglion Cell Layer Thickness.

Optom Vis Sci 2019 Feb 7. Epub 2019 Feb 7.

Department of Ophthalmology, Chungnam National University College of Medicine, Daejeon, Republic of Korea.

Significance: During the acute stage of central serous chorioretinopathy (CSC) with retinal elevation, the spectral domain optical coherence tomography (SD-OCT) estimate of ganglion cell layer complex thickness is reduced. Thickness returns to normal after resolution of the event. Measurement error is at least partially responsible for this effect. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001347DOI Listing
February 2019

Authors' Response.

Optom Vis Sci 2019 Feb;96(2):143

School of Optometry University of California, Berkeley Berkeley, California

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http://dx.doi.org/10.1097/OPX.0000000000001341DOI Listing
February 2019

Letter to the Editor: Visual Acuity Is Not the Best at the Preferred Retinal Locus in People with Macular Disease.

Optom Vis Sci 2019 Feb;96(2):142

Department of Ophthalmology University of Toronto Toronto, Canada

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http://dx.doi.org/10.1097/OPX.0000000000001340DOI Listing
February 2019

Accessing Journal Content and New Subject Classifications.

Authors:
Michael D Twa

Optom Vis Sci 2019 Feb;96(2):77-78

Editor in Chief, Birmingham, AL.

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http://dx.doi.org/10.1097/OPX.0000000000001342DOI Listing
February 2019

Fixation Stability with Bessel Beams.

Optom Vis Sci 2019 Feb;96(2):95-102

School of Engineering and Information Technology, University of New South Wales, Canberra, Australian Capital Territory, Australia

Significance: Ophthalmic imaging instruments that require stable fixation can benefit by using Bessel beams in the form of monitor-based Bessel images.

Purpose: The purpose of this study was to investigate fixation stability using laser Bessel and Gaussian beams and monitor-based images of these targets.

Methods: The right eyes of 16 participants were presented with seven fixation targets: monitor-based images of a bull's eye/cross hair, a Gaussian beam, a Bessel beam with four rings and a Bessel beam with three rings; laser Gaussian beam, laser Bessel beam with four rings, and laser Bessel beam with three rings. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001328DOI Listing
February 2019
1 Read

Case Report: Management of Corneal Clouding from Lecithin: Cholesterol Acyltransferase Deficiency.

Optom Vis Sci 2019 Feb;96(2):137-141

Edward S. Harkness Eye Institute, Columbia University Medical Center, New York, New York

Significance: Given that there are few reported cases of lecithin:cholesterol acyltransferase (LCAT) deficiency, recognition of the condition with proper management is notable. Long-term follow-up and contact lens fitting after penetrating keratoplasty provide best possible outcomes.

Purpose: The purpose of this study was to report a case of LCAT deficiency successfully treated with penetrating keratoplasty and longer-term follow-up with contact lens fitting. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001329DOI Listing
February 2019
8 Reads

Auditory Global Positioning System and Advanced Driver Assistance Systems: A Safer Alternative to Bioptic Telescopes for Drivers Who Are Visually Impaired?

Optom Vis Sci 2019 Feb;96(2):130-132

Colleges of Engineering and Medicine, University of Iowa, Iowa City, Iowa

This work challenges the standard of the past 40 years, which required the use of a bioptic telescope by individuals with vision loss wanting to be licensed to drive in most states in the United States.Driving continues to be the key to independence for many individuals, particularly older drivers who live in an area where public transportation is limited or nonexistent. For the past 40 years, the most frequently option to allow drivers who are visually impaired to maintain driving privileges was to require them to use a bioptic telescope. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001326DOI Listing
February 2019
3 Reads

Supporting Dry Eye Diagnosis with a New Method for Noninvasive Tear Film Quality Assessment.

Optom Vis Sci 2019 Feb;96(2):103-110

Department of Biomedical Engineering, Wroclaw University of Science Technology, Wroclaw, Poland.

Significance: Noninvasive high-speed videokeratoscopy equipped with specific software has shown potential for assessing the homeostasis of tear film, providing clinicians with a fast and consistent tool for supporting dry eye diagnosis and management.

Purpose: The purpose of this study was to evaluate the efficacy of a recently proposed method for characterizing tear film dynamics using noninvasive high-speed videokeratoscopy in assessing the loss of homeostasis of tear film.

Methods: Thirty subjects from a retrospective study, of which 11 were classified as dry eye and 19 as healthy, were included. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001336DOI Listing
February 2019

Experimental Study of Refraction Effects of Nominally Plano Ophthalmic Prisms and Magnifying Lenses.

Optom Vis Sci 2019 Feb;96(2):111-116

School of Optometry and Vision Sciences and Institute of Health and Biomedical Innovation, Faculty of Health, Queensland University of Technology, Kelvin Grove, Queensland, Australia

Significance: Nominally plano ophthalmic prisms give autorefraction results similar to those predicted on the basis of how effective powers change with pantoscopic tilt, and magnifying lenses give autorefraction results similar to those predicted on the basis of vergence changes. Without appreciation of the optics involved, these effects might wrongly be considered artifacts.

Purpose: The purpose of this study was to investigate the interactions of autorefractors with lenses and prisms. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001334DOI Listing
February 2019
1 Read

A Novel Method for Optical Distortion Quantification.

Optom Vis Sci 2019 Feb;96(2):117-123

Engility Corporation, JBSA Fort-Sam, Houston, Texas

Significance: Optical distortion is the image degradation of a visual target induced by a transparent material. Current Air Force evaluation of distortion is an entirely qualitative assessment of the acceptability of image distortion. The novel, quantitative technique described here is capable of identifying 0. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001335DOI Listing
February 2019
5 Reads

Case Report: Primary Conjunctival Non-Hodgkin Marginal Zone Lymphoma.

Authors:
Loren W Bennett

Optom Vis Sci 2019 Feb;96(2):133-136

Significance: Ophthalmic manifestations of non-Hodgkin lymphoma are rare, and the diagnosis can be delayed because of nonspecific symptoms and a tendency to mimic the appearance of other ocular diseases. Suspicious presentations will require confirmation of the lymphoma through surgical biopsy.

Purpose: The purpose of this study was to present an isolated conjunctival non-Hodgkin marginal zone lymphoma without systemic involvement, which was successfully managed with external beam radiation. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001337DOI Listing
February 2019
1 Read

Comparison of Three Different Tonometers in Eyes with Angle Closure.

Optom Vis Sci 2019 Feb;96(2):124-129

Department of Ophthalmology, Korea University College of Medicine, Seoul, South Korea

Significance: Precise measurement of intraocular pressure (IOP) is essential when diagnosing and managing glaucoma. We compared the IOP readings of three different tonometers and analyzed agreement among tonometers in eyes with high IOPs.

Purpose: The purpose of this study was to compare the IOP readings obtained using a Goldmann applanation tonometer (GAT), a rebound tonometer (RT), and a Tono-Pen (TP) in angle-closure eyes with elevated IOP before and after medical IOP-lowering therapy. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001325DOI Listing
February 2019
2.038 Impact Factor

Outcomes After Comprehensive Vision Rehabilitation Using Vision-related Quality of Life Questionnaires: Impact of Vision Impairment and National Eye Institute Visual Functioning Questionnaire.

Optom Vis Sci 2019 Feb;96(2):87-94

Lighthouse Guild, New York, New York.

Significance: This research is significant because, although vision-related quality of life (VRQoL) is improved after vision rehabilitation (VR), patients with certain characteristics respond less positively on VRQoL measures, and this should inform future care.

Purpose: The purposes of this study were to evaluate how two VRQoL questionnaires compare in measuring change in patient-reported outcomes after VR and to determine if patient characteristics or occupational therapy (OT) predict higher scores after rehabilitation.

Methods: In a prospective clinical cohort study, 109 patients with low vision completed the Impact of Vision Impairment (IVI) and the National Eye Institute Visual Functioning Questionnaire (NEI VFQ-25) before and after VR. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001327DOI Listing
February 2019
1 Read

Changes in the Properties of the Preferred Retinal Locus with Eccentric Viewing Training.

Optom Vis Sci 2019 Feb;96(2):79-86

Blind Rehabilitation Center, Edward Hines Jr. Veterans Affairs Hospital, Hines, Illinois

Significance: This study explores whether eccentric viewing training (EVT) changes the properties of the retinal area used for fixation in subjects with bilateral macular disease. The data presented demonstrate the feasibility of conducting a randomized controlled trial on EVT.

Purpose: Patients with bilateral central scotomas adopt other retinal area(s) called preferred retinal locus to substitute the blind fovea. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001324DOI Listing
February 2019
4 Reads

Scientific Integrity and the Reproducibility Crisis.

Authors:
Michael D Twa

Optom Vis Sci 2019 Jan;96(1):1-2

Editor in Chief Birmingham, AL.

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http://dx.doi.org/10.1097/OPX.0000000000001339DOI Listing
January 2019

Effect of Vision Therapy on Accommodative Lag in Myopic Children: A Randomized Clinical Trial.

Optom Vis Sci 2019 Jan;96(1):17-26

State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China.

Significance: Accommodative dysfunction has been suggested to be related to the development and progression of myopia. Office-based accommodative/vergence therapy (OBAVT) improved accommodative facility in Chinese myopic children, but it is unclear if such improvement has a role in decreasing myopic progression.

Purpose: The purpose of this study was to compare the effects of OBAVT with home reinforcement and office-based placebo therapy (OBPT) as a treatment to improve accommodative functions (i. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001316DOI Listing
January 2019
15 Reads

Development and Psychometric Assessment of Novel Item Banks for Hereditary Retinal Diseases.

Optom Vis Sci 2019 Jan;96(1):27-34

NHMRC Centre for Clinical Eye Research, Flinders University of South Australia, Adelaide, South Australia, Australia.

Significance: This study develops psychometrically valid item banks across 10 areas of quality of life (QoL) specific to people with hereditary retinal diseases, which will enable clinicians and researchers to explore the impact of hereditary retinal diseases across all aspects of QoL.

Purpose: The purpose of this study was to assess the psychometric properties of hereditary retinal disease QoL item banks using Rasch analysis and demonstrate the effectiveness of a computerized adaptive testing (CAT) system in obtaining precise measurement of QoL using only a few items.

Methods: The hereditary retinal disease item banks were answered by 233 participants (median age, 58 years; range, 18 to 94 years; female participants, 59%). Read More

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http://dx.doi.org/10.1097/OPX.0000000000001317DOI Listing
January 2019
5 Reads

Theoretical Study of Refraction Effects of Plano Ophthalmic Prisms.

Optom Vis Sci 2019 Jan;96(1):35-42

School of Optometry and Vision Sciences and Institute of Health and Biomedical Innovation, Faculty of Health, Queensland University of Technology, Kelvin Grove, Queensland, Australia

Significance: Nominally plano prisms can have appreciable refractive errors that exceed the usual prescribing step of 0.25 D, particularly when an eye rotates to view off-axis objects.

Purpose: The purpose of this study was to determine theoretically the refractive power effects of nominally plano-refracting power prisms. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001321DOI Listing
January 2019
6 Reads

Intraocular Pressure Elevation during Lateral Body Posture in Side-sleeping Glaucoma Patients.

Optom Vis Sci 2019 Jan;96(1):62-70

Department of Ophthalmology, Korea University College of Medicine, Seoul, South Korea

Significance: In side-sleeping open-angle glaucoma (OAG) patients, eyes that showed progression exhibited a greater intraocular pressure (IOP) elevation when subjects were rested in the lateral decubitus (LD) posture on the ipsilateral side compared with those eyes that did not progress.

Purpose: The purposes of this study were to investigate whether lying in the LD position for an extended period affects IOP in side-sleeping patients with OAG when rested on their own pillow and to compare posture-induced IOP variations between eyes with recent glaucomatous progression and those without.

Methods: Twenty-eight bilateral OAG patients who reported a preference for side sleeping were included. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001322DOI Listing
January 2019
13 Reads
2.038 Impact Factor

Blue-blocking Filters and Digital Eyestrain.

Optom Vis Sci 2019 Jan;96(1):48-54

SUNY College of Optometry, New York, New York

Significance: Many manufacturers are currently marketing blue-blocking (BB) filters, which they claim will reduce the symptoms of digital eyestrain (DES). However, there is limited evidence to support the proposal that DES results from the blue light emitted by these devices.

Purpose: The visual and ocular symptoms commonly experienced when viewing digital screens are collectively termed DES. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001318DOI Listing
January 2019
7 Reads

Case Report: Sequelae of Bilateral Iris Pigment Epithelial Cysts Masquerading as Primary Pigmentary Glaucoma.

Optom Vis Sci 2019 Jan;96(1):71-75

San Francisco Veterans Affairs Health Care System, San Francisco, California.

Significance: Patients with pigment dispersion syndrome are frequently encountered in clinical practice. Iris abnormalities and the absence of key features of pigment dispersion syndrome can guide the discovery of secondary causes of pigmentary glaucoma, such as peripheral iris pigment epithelial cysts.

Purpose: The purpose of this study was to describe a patient initially diagnosed as having primary pigmentary glaucoma found to have multiple bilateral peripheral iris pigment epithelial cysts causing pigment liberation, focal angle closure, and advanced secondary glaucoma. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001323DOI Listing
January 2019
8 Reads

Objective Assessment of Disparity Vergence after Treatment of Symptomatic Convergence Insufficiency in Children.

Optom Vis Sci 2019 Jan;96(1):3-16

Significance: This first report of the use of objective measures of disparity vergence as outcome measures for symptomatic convergence insufficiency in children provides additional information that is not accessible with clinical tests. The study results also demonstrate that objective measures of vergence could be used in future randomized clinical trials of binocular vision disorders with children.

Purpose: This study was designed to evaluate changes in objective measures of disparity vergence after office-based vergence/accommodative therapy (OBVAT) for convergence insufficiency in children 12 to 17 years old. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001320DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6305249PMC
January 2019

Effect of Orthokeratology on Axial Length Elongation in Anisomyopic Children.

Optom Vis Sci 2019 Jan;96(1):43-47

1Department of Ophthalmology, Peking University Third Hospital, Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Beijing, China

Significance: Anisomyopia is a natural experimental paradigm that compares dose response between fellow eyes. This study is the first to explore whether orthokeratology (ortho-k) has a dose-response effect on axial length growth and reduces the interocular difference in axial length in anisomyopic children.

Purpose: The purpose of this study was to compare the effect of ortho-k on axial length elongation between the fellow eyes of anisomyopic children. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001315DOI Listing
January 2019
10 Reads

Reading Ability in Primary Open-angle Glaucoma: Evaluation with Radner Reading Charts.

Optom Vis Sci 2019 Jan;96(1):55-61

Eye Clinic, Department of Surgical Sciences, University of Torino, Torino, Italy

Significance: This study determined the impact of visual disabilities caused by glaucoma on the patient's everyday life and emphasized the importance of developing strategies to improve reading ability in primary open-angle glaucoma (POAG) patients.

Purpose: The purposes of this study were to investigate the reading performances of patients affected by POAG using the Italian version of the Radner Reading Charts and to test the presence of correlation between visual field (VF) damage and reading parameters.

Methods: In this cross-sectional observational study, all patients underwent a complete ophthalmic evaluation including VF testing and evaluation of reading performance using the Radner Reading Charts. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001319DOI Listing
January 2019
9 Reads

Erratum.

Authors:

Optom Vis Sci 2018 Dec;95(12):1168

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http://dx.doi.org/10.1097/OPX.0000000000001314DOI Listing
December 2018
1 Read

2018 American Academy of Optometry Ocular Photography Contest.

Authors:

Optom Vis Sci 2018 Dec;95(12):1162-1165

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http://dx.doi.org/10.1097/OPX.0000000000001330DOI Listing
December 2018
1 Read

Optometry and Vision Science: 2018 Year End Review.

Authors:
Michael Twa

Optom Vis Sci 2018 Dec;95(12):1087

Editor in Chief Birmingham, AL.

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http://dx.doi.org/10.1097/OPX.0000000000001338DOI Listing
December 2018

Ophthalmic Conditions Associated with Inpatient Falls among Veterans.

Optom Vis Sci 2018 Dec;95(12):1114-1119

Department of Ophthalmology, Cullen Eye Institute, Baylor College of Medicine, Houston, Texas.

Significance: Efforts to describe the relationship between pathological visual impairment and fall risk are typically confined to community dwellers. Among admitted patients, however, the associations are less understood. Fall risk assessment tools are used in some clinical settings, but most do not capture the suspected importance of ophthalmic pathologies in predicting the likelihood of an inpatient fall. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001312DOI Listing
December 2018
6 Reads

Scotoma Simulation in Healthy Subjects.

Optom Vis Sci 2018 Dec;95(12):1120-1128

Department of Neurology, Friedrich Schiller University of Jena, Jena, Germany.

Significance: This article shows a successful concept for simulating central scotoma, which is associated with age-related macular degeneration (AMD), in healthy subjects by an induced dark spot at the retina using occlusive contact lenses. The new concept includes a control mechanism to adjust the scotoma size through controlling pupil size without medication. Therefore, a miniaturized full-field adaptation device was used. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001310DOI Listing
December 2018
9 Reads

Comparison of the Ultraviolet Light Filtering across Different Intraocular Lenses.

Optom Vis Sci 2018 Dec;95(12):1129-1134

FISABIO-Oftalmología Médica, Valencia, Spain.

Significance: We have analyzed the ultraviolet transmittance of some commercial intraocular lenses (IOLs). The results show differences of wavelength cutoff among them.

Purpose: The purpose of this study was to measure and compare the ultraviolet light transmittance of different IOLs made out of acrylic hydrophobic, hydrophilic, and hydrophilic with hydrophobic surface materials from different manufacturers. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001309DOI Listing
December 2018
7 Reads
2.038 Impact Factor

Visual Performance of Daily-disposable Multifocal Soft Contact Lenses: A Randomized, Double-blind Clinical Trial.

Optom Vis Sci 2018 Dec;95(12):1096-1104

Brien Holden Vision Institute, Sydney, New South Wales, Australia.

Significance: The present study highlights the differences between modern daily-disposable multifocal soft contact lenses to assist eye care practitioners in fitting presbyopic contact lens wearers.

Purpose: The purpose of this study was to compare visual performance of three daily-disposable multifocal contact lenses.

Methods: Presbyopes (n = 72) wore 1-Day Acuvue Moist Multifocal, BioTrue ONEday for Presbyopia, and Dailies AquaComfort Plus Multifocal for 1 week in a prospective, randomized, double-blind, crossover clinical trial. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001311DOI Listing
December 2018
11 Reads

Identification of a CNGB1 Frameshift Mutation in a Han Chinese Family with Retinitis Pigmentosa.

Optom Vis Sci 2018 Dec;95(12):1155-1161

Center for Experimental Medicine, the Third Xiangya Hospital, Central South University, Changsha, China.

Significance: Retinitis pigmentosa (RP) is a severe hereditary retinal disorder characterized by progressive degeneration of rod and cone photoreceptors. This study identified a novel frameshift mutation, c.385delC, p. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001305DOI Listing
December 2018
5 Reads

Accuracy of a Smartphone-based Autorefractor Compared with Criterion-standard Refraction.

Optom Vis Sci 2018 Dec;95(12):1135-1141

Department of Ophthalmology and Visual Sciences, W. K. Kellogg Eye Center, University of Michigan, Ann Arbor, Michigan.

Significance: Uncorrected refractive error is a prevalent problem throughout the world especially among the low-income population who have limited access to professional eye care and cannot afford eyeglasses.

Purpose: The purpose of this study was to evaluate the accuracy and usability of a low-cost, portable, smartphone-based autorefractor (Netra, EyeNetra Inc., Somerville, MA) in adults. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001308DOI Listing
December 2018
16 Reads

Measuring Daily Disposable Contact Lenses against Nonwearer Benchmarks.

Optom Vis Sci 2018 Dec;95(12):1088-1095

Brien Holden Vision Institute, Sydney, New South Wales, Australia.

Significance: Since becoming a popular form of refractive error correction, contact lenses have aspired to replicate the nonwearer experience. This study assessed how well currently available daily disposable soft lenses have achieved that goal, using a graphical representation to show individual lens behavior relative to benchmarks.

Purpose: The purpose of this study was to assess comfort, vision, and adverse events during daily disposable contact lens wear, relative to emmetropes and spectacle wearers. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001304DOI Listing
December 2018
1 Read

Ranibizumab versus Dexamethasone Implant in Macular Edema Secondary to Branch Retinal Vein Occlusion: Two-year Outcomes.

Optom Vis Sci 2018 Dec;95(12):1149-1154

Beyoglu Eye Training and Research Hospital, Istanbul, Turkey

Significance: We compared the 24-month outcomes of ranibizumab and dexamethasone implants in treatment-naive branch retinal vein occlusion patients. Ranibizumab was effective in improving visual outcomes, whereas the dexamethasone implant was not.

Purpose: The aim of this study was to compare the 2-year real-world outcomes of intravitreal ranibizumab with dexamethasone implants in patients with macular edema secondary to branch retinal vein occlusion. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001306DOI Listing
December 2018
7 Reads

Repeatability of Anterior Curvature Metrics in Healthy and Keratoconic Eyes with a Portable Handheld Topographer.

Optom Vis Sci 2018 Dec;95(12):1142-1148

Centro Fernández-Velázquez, Madrid, Spain.

Significance: This is a prospective observational investigation that studies the repeatability of several outcomes obtained with the Keratron Scout in healthy and keratoconic corneas. In addition, we have been able to determine the "noise" values of the instrument, which can be very useful when evaluating possible progression in keratoconus (KCN).

Purpose: The purpose of this study was to evaluate the repeatability of several anterior curvature metrics provided by a portable and handheld Placido disk-based topographer in healthy and keratoconic eyes. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001307DOI Listing
December 2018
10 Reads

Impact of Dry Eye on Prolonged Reading.

Optom Vis Sci 2018 Dec;95(12):1105-1113

The Wilmer Eye Institute, Johns Hopkins University, Baltimore, Maryland.

Significance: Patients with dry eye frequently report difficulty with reading. However, the impact of dry eye on reading has not been studied in detail. This study shows the unfavorable effect of dry eye on reading speed and offers mechanisms that may be responsible. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001303DOI Listing
December 2018
15 Reads

Optometry and Biomedical Sciences.

Authors:
Michael D Twa

Optom Vis Sci 2018 Nov;95(11):975

Editor in Chief Birmingham, AL.

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http://dx.doi.org/10.1097/OPX.0000000000001313DOI Listing
November 2018

Parametric Covariability in the Standard Model of the Saccadic Main Sequence.

Optom Vis Sci 2018 Nov;95(11):986-1003

Department of Physical Therapy, University of Alabama at Birmingham, Birmingham, Alabama

Significance: Saccades present a direct relationship between the size of the movement (SACSIZE) and its peak velocity (SACPEAK), the main sequence, which is traditionally quantified using the model SACPEAK = Vmax × (1 - e). This study shows that Vmax and SAT are not veridical indicators of saccadic dynamics.

Purpose: Alterations in saccadic dynamics are used as a diagnostic tool. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001291DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6212342PMC
November 2018
9 Reads

Presbyopic Personal Computer Work: A Comparison of Progressive Addition Lenses for General Purpose and Personal Computer Work.

Optom Vis Sci 2018 Nov;95(11):1046-1053

Faculty of SciTec, Department of Optometry and Vision Sciences, Ernst-Abbe University of Applied Sciences Jena, Jena, Germany

Significance: Computer-specific progressive addition lenses (PC-PALs) are shown to reduce computer vision syndrome (CVS) symptoms, increase visual comfort and tolerance, and improve body posture at the personal computer. They are highly preferred by computer workers. Increasing their use may aid prevention measures within the workplace health management. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001295DOI Listing
November 2018

Can Applications Designed to Evaluate Visual Function Be Used in Different iPads?

Optom Vis Sci 2018 Nov;95(11):1054-1063

Departamento de Óptica, Farmacología y Anatomía, Universidad de Alicante, San Vicente del Raspeig, Alicante, Spain.

Significance: Apple devices could be suitable for vision tests, provided that the test has been correctly adapted to the device, after considering the spatial and colorimetric characterization of the screen.

Purpose: The majority of vision applications has not been developed by vision or colorimetry experts and suffers from conceptual and design errors that may lead average users to an erroneous assessment of their visual capabilities. The reliability of vision tests depends on the accurate generation of the necessary visual stimuli in a particular device. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001293DOI Listing
November 2018

The Area under the Main Sequence as an Alternative Method to Measure Saccadic Dynamics.

Optom Vis Sci 2018 Nov;95(11):1004-1026

Department of Physical Therapy, University of Alabama at Birmingham, Birmingham, Alabama

Significance: This study shows that the area under the main sequence (MSAREA) is a valid alternative to the standard peak-velocity main sequence in measuring saccadic dynamics. A one-parameter area model, MSAREA = GPW = 1.55 × SACSIZE, with SACSIZE as the size of the saccade, 1. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001299DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6212314PMC
November 2018

Case Report: Penetrating Corneal Injury Under an Intact Laser-assisted in Situ Keratomileusis Flap.

Optom Vis Sci 2018 Nov;95(11):1083-1086

University of Minnesota, Minneapolis, Minnesota

Significance: As the prevalence of post-laser-assisted in situ keratomileusis (LASIK) patients rises, recognition of possible traumatic complications and their management in this population becomes increasingly relevant. Penetrating injuries and intraocular foreign bodies are possible in post-LASIK corneas despite an intact anterior corneal surface. However, with prompt recognition and treatment, excellent visual recovery can be achieved. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001297DOI Listing
November 2018
1 Read

Ocular Component Development during Infancy and Early Childhood.

Optom Vis Sci 2018 Nov;95(11):976-985

School of Optometry, University of California, Berkeley, Berkeley, California

Significance: The study fills an important gap by providing a longitudinal description of development of the major structural and optical components of the human eye from 3 months to nearly 7 years of age. Normative development data may provide insights into mechanisms for emmetropization and guidance on intraocular lens power calculation.

Purpose: The purpose of this study was to describe the pattern of development of refractive error and the ocular components from infancy through early childhood. Read More

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http://Insights.ovid.com/crossref?an=00006324-900000000-9820
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http://dx.doi.org/10.1097/OPX.0000000000001296DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6212316PMC
November 2018
8 Reads

Unwanted Astigmatism and High-order Aberrations One Year after Excimer and Femtosecond Corneal Surgery.

Optom Vis Sci 2018 Nov;95(11):1064-1076

Specialty Eye Hospital Svjetlost, Zagreb, Croatia.

Significance: Small incision lenticule extraction (SMILE) is advanced as the most minimally invasive and least traumatic corneal procedure for correcting refractive errors using a single laser. Although SMILE obtains similar results to femtosecond laser in situ keratomileusis (LASIK) with spherical myopia, it has deficiencies in astigmatism correction.

Purpose: The purpose of this study was to compare refractive outcomes and high-order aberrations (HOAs) between SMILE and femtosecond LASIK corneal procedures at 1 year post-operative. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001298DOI Listing
November 2018
10 Reads

Predictive Potential of Eyelids and Tear Film in Determining Symptoms in Contact Lens Wearers.

Optom Vis Sci 2018 Nov;95(11):1035-1045

School of Optometry and Vision Science, University of New South Wales, Sydney, New South Wales, Australia

Significance: Early diagnosis of clinical markers of contact lens discomfort can help clinicians set realistic expectations and monitor and provide prophylactic management for contact lens wearers.

Purpose: The purpose of this study was to evaluate the potential of eyelid- and tear film-related clinical markers to be used as predictive factors for diagnosing discomfort in contact lens wearers.

Methods: A cross-sectional study was performed on 30 contact lens wearers (6 male, 24 female) with median age of 23 years (range, 18 to 41 years). Read More

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http://Insights.ovid.com/crossref?an=00006324-900000000-9819
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http://dx.doi.org/10.1097/OPX.0000000000001290DOI Listing
November 2018
21 Reads

Cornea Full-field Displacement and Strain Measurement in Vivo Using Three-dimensional Digital Image Correlation.

Optom Vis Sci 2018 Nov;95(11):1027-1034

Interdisciplinary Division of Biomedical Engineering, Hong Kong Polytechnic University, Kowloon, Hong Kong, China.

Significance: Corneal biomechanics are becoming increasingly important for clinical evaluation and diagnosis, such as in refractive surgery, glaucoma, and keratoconus. We developed and used a new technique to measure the full-field displacement and strain of the cornea under elevated intraocular pressure in vivo.

Purpose: In this study, we propose a three-dimensional digital image correlation method for the determination of corneal biomechanical properties. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001292DOI Listing
November 2018

Case Series: Bilateral Homonymous Visual Field Defects Due to Bilateral Ischemic Strokes.

Optom Vis Sci 2018 Nov;95(11):1077-1082

Ophthalmology Department, University Hospital of Ioannina, Greece

Significance: Bilateral strokes are rare and should be considered when patients present with bilateral visual field loss characterized by patterns consistent with right and left-sided homonymous visual field defects. Perimetry, dilated funduscopy, and immediate neuroimaging are mandatory for diagnosis, because patients may present with vague symptoms. These cases reflect the retinotopic features of the striate cortex. Read More

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http://Insights.ovid.com/crossref?an=00006324-900000000-9819
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http://dx.doi.org/10.1097/OPX.0000000000001294DOI Listing
November 2018
8 Reads

Optometric Research Summit: 2018.

Authors:
Michael D Twa

Optom Vis Sci 2018 Oct;95(10):909-910

Editor in Chief Birmingham, AL.

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http://dx.doi.org/10.1097/OPX.0000000000001302DOI Listing
October 2018

Neutralizing Peripheral Refraction Eliminates Refractive Scotomata in Tilted Disc Syndrome.

Optom Vis Sci 2018 Oct;95(10):959-970

Centre for Eye Health, University of New South Wales, Kensington, New South Wales, Australia.

Significance: We demonstrate that the visual field defects in patients with tilted disc syndrome can be reduced or eliminated by neutralizing the peripheral scotoma in the area of posterior retinal bowing, which may allow differentiation between a congenital anomaly and acquired pathology.

Purpose: Tilted disc syndrome is a congenital and unchanging condition that may present with visual field defects mimicking loss seen in neurological diseases, such as transsynaptic retrograde degeneration. Our purpose was to systematically investigate the ability of a neutralized peripheral refraction to eliminate refractive visual field defects seen in tilted disc syndrome. Read More

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http://dx.doi.org/10.1097/OPX.0000000000001286DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6166693PMC
October 2018