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    1596 results match your criteria Clinical and Experimental Optometry [Journal]

    1 OF 32

    Does the temperature of an artificial tear affect its comfort?
    Clin Exp Optom 2018 Feb 18. Epub 2018 Feb 18.
    Private practitioner, Montreal, Quebec, Canada.
    Background: Refrigerated eye-drops have been advocated in cases of ocular allergies to provide a soothing effect upon instillation. This notion continues to be promoted by practitioners for artificial tears (AT) in the management of dry eye (DE) with little support in the literature. To further substantiate claims of a soothing effect of cold eye-drops, the aim of this study was to determine if refrigeration of an AT enhanced the subjective comfort upon instillation. Read More

    Optometry-facilitated teleophthalmology: an audit of the first year in Western Australia.
    Clin Exp Optom 2018 Feb 14. Epub 2018 Feb 14.
    Lions Outback Vision, Lions Eye Institute, Perth, Western Australia, Australia.
    Background: Lions Outback Vision has run a state-wide teleophthalmology service since 2011. In September 2015 the Australian federal government introduced a Medicare reimbursement for optometry-facilitated teleophthalmology consultations under specific circumstances. This audit demonstrates the first 12 months experience with this scheme. Read More

    Optical treatment of amblyopia: a systematic review and meta-analysis.
    Clin Exp Optom 2018 Feb 2. Epub 2018 Feb 2.
    School of Optometry and Vision Science, The University of New South Wales, Sydney, New South Wales, Australia.
    Background: Despite evidence that amblyopia can often be treated by optical treatment alone, many practitioners still do not use an optical-correction-only phase in amblyopia treatment and some investigators omit this important step in their research. This paper aims to systematically review the evidence for the optical treatment of strabismic, refractive and combined-mechanism amblyopia and to quantify the evidence via a meta-analysis.

    Methods: A search of online databases MEDLINE, EMBASE, PsycInfo, the Cochrane Library, and bibliographies of review papers, along with subsequent personal communication, resulted in 29 papers that met our inclusion criteria, with 20 providing sufficient data for the calculation of effect sizes. Read More

    Glaucomatous progression in the retinal nerve fibre and retinal ganglion cell-inner plexiform layers determined using optical coherence tomography-guided progression analysis.
    Clin Exp Optom 2018 Feb 1. Epub 2018 Feb 1.
    Department of Ophthalmology, Konyang University, Kim's Eye Hospital, Myung-Gok Eye Research Institute, Seoul, South Korea.
    Background: To investigate the characteristics of glaucomatous progression in circumpapillary retinal nerve fibre layer (RNFL) and macular retinal ganglion cell-inner plexiform layer (GCIPL) determined using optical coherence tomography-guided progression analysis (OCT-GPA).

    Methods: Serial OCT images of 527 glaucomatous eyes with greater than four OCT tests were screened. Among them, 106 (20. Read More

    Stereopsis: are we assessing it in enough depth?
    Clin Exp Optom 2018 Jan 27. Epub 2018 Jan 27.
    Directorate of Orthoptics and Vision Science, University of Liverpool, Liverpool, UK.
    The assessment of stereoacuity is an integral part of the ophthalmic assessment, with the responses used to inform clinical management decisions. Stereoacuity impacts on many aspects of life, but there are discrepancies reported where people without measurable stereoacuity report appreciating 3-D vision. This could be due, in part, to the presentation of the stimuli. Read More

    Changes in retina and choroid after haemodialysis assessed using optical coherence tomography angiography.
    Clin Exp Optom 2018 Jan 22. Epub 2018 Jan 22.
    Department of Ophthalmology, Huashan Hospital, Fudan University, Shanghai, China.
    Background: Reports of choroidal and retinal changes before and after haemodialysis are few and have been controversial. Traditional imaging modalities are insufficient for quantitative assessment. This study aims to use optical coherence tomography angiography to monitor the short-term vascular density and thickness changes in retina and choroid before and after haemodialysis. Read More

    Self-assessment of refractive errors using a simple optical approach.
    Clin Exp Optom 2018 Jan 21. Epub 2018 Jan 21.
    Institute for Ophthalmic Research, Eberhard Karls University of Tuebingen, Tuebingen, Germany.
    Background: This explorative study investigated procedures for the self-assessment of spherocylindrical refractive errors.

    Methods: Eighteen participants with a mean age of 34.0 ± 8. Read More

    Static and dynamic pupillometry data of healthy individuals.
    Clin Exp Optom 2018 Jan 21. Epub 2018 Jan 21.
    Ophthalmology Department, Ankara Ulucanlar Eye Training and Research Hospital, Ankara, Turkey.
    Background: This study sought to determine normative static and dynamic pupillometry data in different age groups in a healthy population, and to investigate the effects of age on pupillometric characteristics.

    Methods: Pupillometry measurements were undertaken on 155 healthy participants using an automatic quantitative pupillometry system. Static pupillometry measurements were undertaken; these included scotopic pupil diameter (PD), mesopic PD, low photopic PD and high photopic PD values. Read More

    Investigation of attributes which guide choice in cataract surgery services in urban Sydney, Australia.
    Clin Exp Optom 2018 Jan 17. Epub 2018 Jan 17.
    The George Institute for Global Health, The University of New South Wales, Newtown, New South Wales, Australia.
    Background: It is critical to consult patients to develop patient-centred cataract surgery care. We aimed to identify attributes patients consider when making decisions about cataract surgery in an Australian context, where both publicly and privately funded surgery are available. This is the first step in investigating how decisions are made about cataract surgery services. Read More

    Vision in children with autism spectrum disorder: a critical review.
    Clin Exp Optom 2018 Jan 11. Epub 2018 Jan 11.
    Optometry & Vision Science Research Group, School of Biomedical Sciences, Biomedical Sciences Research Institute, Ulster University, Coleraine, UK.
    Autism spectrum disorder (ASD) is a common neurodevelopmental condition with approximately 1-2 per cent prevalence in the population. The condition has lifelong effects for the individual and family, and early intervention and management helps maximise quality of life and outcomes. Many studies of vision in ASD have attempted to link the behavioural and sensory deficits in ASD with underlying visual processing. Read More

    In vitro and in vivo effects of ophthalmic solutions on silicone hydrogel bandage lens material Senofilcon A.
    Clin Exp Optom 2018 Jan 11. Epub 2018 Jan 11.
    Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Stockholm, Sweden.
    Background: Acuvue Oasys silicone hydrogel contact lenses (Senofilcon A) are used as bandage lenses and often combined with ophthalmic solutions in the treatment of ocular diseases. Concerns have been raised regarding the compatibility and effect of eye-drop solutions on the bandage lenses, which have led to frequent replacement of lenses causing clinical problems. Some patients experience pain or discomfort during treatments and the accumulation of drugs and preservatives in lenses has been suggested as a possible reason. Read More

    Influence of mouth and jaw movements on dynamics of spontaneous eye blink activity assessed during slitlamp biomicroscopy.
    Clin Exp Optom 2017 Dec 12. Epub 2017 Dec 12.
    Department of Vision Sciences, Glasgow Caledonian University, Glasgow, UK.
    Background: To evaluate oculo-mandibular interactions during evaluation of spontaneous eye blink rate (SEBR) of normal young adult human subjects while seated at a slitlamp.

    Methods: Repeat video recordings of five minutes duration were made on 76 young adult emmetropic subjects aged 18-25 years. The subjects were instructed to direct their gaze horizontally toward a distant target with the entire cornea of the left eye illuminated with a broad beam cobalt blue light. Read More

    The association of keratoconus with blepharitis.
    Clin Exp Optom 2017 Dec 12. Epub 2017 Dec 12.
    Department of Ophthalmology, Barzilai Medical Center, Ashkelon, Israel.
    Background: Identifying potentially treatable risk factors for the progression of keratoconus is of great importance. The purpose of this study was to determine the association between blepharitis and keratoconus.

    Methods: In this prospective, comparative, observational study, 50 keratoconus participants from the central district of the Clalit Health Services Health Maintenance Organization in Israel underwent comprehensive eye examination. Read More

    Automatic analysis of corneal nerves imaged using in vivo confocal microscopy.
    Clin Exp Optom 2017 Nov 28. Epub 2017 Nov 28.
    School of Optometry and Vision Science, The University of New South Wales, Sydney, New South Wales, Australia.
    Interest has grown over the past decade in using in vivo confocal microscopy to analyse the morphology of corneal nerves and their changes over time. Advances in computational modelling techniques have been applied to automate the estimation of sub-basal nerve structure. These objective methods have the potential to quantify nerve density (and length), tortuosity, variations in nerve thickness, as well as temporal changes in nerve fibres such as migration patterns. Read More

    Vision screening at two years does not reduce the prevalence of reduced vision at four and a half years of age.
    Clin Exp Optom 2017 Nov 28. Epub 2017 Nov 28.
    School of Optometry and Vision Science, The University of Auckland, Auckland, New Zealand.
    Background: There is currently insufficient evidence to recommend vision screening for children < 36 months of age. This study assessed the effect of comprehensive vision screening, as well as the sensitivity of age-appropriate vision tests, at two years of age on habitual visual acuity at 4.5 years of age. Read More

    Contrast-balanced binocular treatment in children with deprivation amblyopia.
    Clin Exp Optom 2017 Nov 28. Epub 2017 Nov 28.
    School of Optometry and Vision Science, The University of Auckland, Auckland, New Zealand.
    Background: Children with deprivation amblyopia due to childhood cataract have been excluded from much of the emerging research into amblyopia treatment. An investigation was conducted to determine whether contrast-balanced binocular treatment - a strategy currently being explored for children with anisometropic and strabismic amblyopia - may be effective in children with deprivation amblyopia.

    Methods: An unmasked, case-series design intended to assess proof of principle was employed. Read More

    Impact of age-related macular degeneration on object searches in realistic panoramic scenes.
    Clin Exp Optom 2017 Nov 23. Epub 2017 Nov 23.
    SCALab, University of Lille, CNRS, Lille, France.
    Background: This study investigated whether realistic immersive conditions with dynamic indoor scenes presented on a large, hemispheric panoramic screen covering 180° of the visual field improved the visual search abilities of participants with age-related macular degeneration (AMD).

    Method: Twenty-one participants with AMD, 16 age-matched controls and 16 young observers were included. Realistic indoor scenes were presented on a panoramic five metre diameter screen. Read More

    The prevalence and causes of visual impairment in seven-year-old children.
    Clin Exp Optom 2017 Nov 22. Epub 2017 Nov 22.
    Department of Medical Surgical Nursing, School of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
    Background: To report the prevalence and causes of visual impairment in seven-year-old children in Iran and its relationship with socio-economic conditions.

    Methods: In a cross-sectional population-based study, first-grade students in the primary schools of eight cities in the country were randomly selected from different geographic locations using multistage cluster sampling. The examinations included visual acuity measurement, ocular motility evaluation, and cycloplegic and non-cycloplegic refraction. Read More

    When is protection from impact needed for the face as well as the eyes in occupational environments?
    Clin Exp Optom 2017 Nov 22. Epub 2017 Nov 22.
    Ophthalmic Standards Laboratory, School of Optometry, University of Waterloo, Waterloo, Ontario, Canada.
    Background: The most commonly identified reason for requiring or using occupational eye and face protection is for protection against flying objects. Standards vary on what risk may require protection of the eyes alone and what requires protection for the whole face. Information on the minimum energy transfer for face damage to occur is not well-established. Read More

    The minimum test battery to screen for binocular vision anomalies: report 3 of the BAND study.
    Clin Exp Optom 2017 Nov 18. Epub 2017 Nov 18.
    Srimathi Sundari Subramanian Department of Visual Psychophysics, Elite School of Optometry, Unit of Medical Research Foundation, Chennai, India.
    Purpose: This study aims to report the minimum test battery needed to screen non-strabismic binocular vision anomalies (NSBVAs) in a community set-up. When large numbers are to be screened we aim to identify the most useful test battery when there is no opportunity for a more comprehensive and time-consuming clinical examination.

    Methods: The prevalence estimates and normative data for binocular vision parameters were estimated from the Binocular Vision Anomalies and Normative Data (BAND) study, following which cut-off estimates and receiver operating characteristic curves to identify the minimum test battery have been plotted. Read More

    Developing prognostic biomarkers in intermediate age-related macular degeneration: their clinical use in predicting progression.
    Clin Exp Optom 2017 Nov 14. Epub 2017 Nov 14.
    Centre for Eye Health, Sydney, New South Wales, Australia.
    Age-related macular degeneration is a common, complex and blinding eye disease. When early and intermediate levels of severity are detected in one or both eyes, there is a wide-ranging 0.4 to 53 per cent risk of progression to advanced disease in five years. Read More

    Refractive changes after intravitreal ranibizumab injections for diabetic macular oedema.
    Clin Exp Optom 2017 Nov 14. Epub 2017 Nov 14.
    Second Department of Ophthalmology, University of Athens, Athens, Greece.
    Purpose: The purpose of this study was to evaluate refractive changes after intravitreal ranibizumab injections for the treatment of diabetic macular oedema.

    Methods: Participants in this retrospective study were 35 patients (35 eyes) with diabetic macular oedema, who received intravitreal ranibizumab injections. Spherical equivalent refractive power was evaluated before treatment and at least one month after the last injection where no fluid existed. Read More

    Impact of supervised student optometry consultations on the patient experience.
    Clin Exp Optom 2017 Nov 13. Epub 2017 Nov 13.
    School of Optometry and Vision Science, The University of New South Wales, Sydney, New South Wales, Australia.
    Background: Understanding patient perceptions of having students involved in their clinical care is important as we strive to develop optimal models of care that integrate teaching with the best possible experience for the patient. The aim was to ascertain the impact of supervised optometry student consultations on the patient experience.

    Methods: A survey comprising 45 questions was mailed to consecutive adult patients who had undergone a comprehensive eye examination at the Australian College of Optometry over a four-week period. Read More

    Anterior segment morphology after laser iridotomy in primary angle closure suspects.
    Clin Exp Optom 2017 Nov 12. Epub 2017 Nov 12.
    Department of Statistics, National Institute of Nutrition, Hyderabad, India.
    Purpose: To evaluate and compare the changes in anterior segment parameters in primary angle closure suspects before and after laser peripheral iridotomy and intrasession repeatability of measurements before laser iridotomy as assessed by Scheimpflug-Placido disc topographer.

    Methods: Before laser iridotomy, 56 eyes of 56 primary angle closure suspect patients underwent anterior segment analysis with the Sirius Scheimpflug-Placido disc topographer system using glaucoma analysis mode, which was repeated a week after iridotomy. Anterior segment parameters such as central anterior chamber depth, central corneal thickness, anterior chamber volume and iridocorneal angle were analysed before and after laser iridotomy and compared with paired t-test. Read More

    Refractive error and vision correction in a general sports-playing population.
    Clin Exp Optom 2017 Nov 9. Epub 2017 Nov 9.
    School of Life and Health Sciences, Aston University, Birmingham, UK.
    Purpose: To evaluate, in an amateur sports-playing population, the prevalence of refractive error, the type of vision correction used during sport and attitudes toward different kinds of vision correction used in various types of sports.

    Method: A questionnaire was used for people engaging in sport and data was collected from sport centres, gyms and universities that focused on the motor sciences.

    Results: One thousand, five hundred and seventy-three questionnaires were collected (mean age 26. Read More

    Reasons for spectacle reassessment in a tertiary eye care centre over a period of six years.
    Clin Exp Optom 2017 Nov 3. Epub 2017 Nov 3.
    Elite School of Optometry, Chennai, Tamil Nadu, India.
    Background: To determine the spectacle reassessment rates of dissatisfied patients returning to the optical services department of a tertiary eye centre in India over a period of six years.

    Methods: A total of 169,567 spectacles were dispensed from the optical services department between January 2010 and December 2015. The spectacle reassessment forms of dissatisfied patients who returned to the optical services department with their spectacles were analysed. Read More

    Validation of keratometric measurements obtained with an intraoperative image-guided system: intra-session repeatability and interchangeability with an optical biometer.
    Clin Exp Optom 2017 Oct 31. Epub 2017 Oct 31.
    Department of Ophthalmology, Marina Baixa Hospital, Alicante, Spain.
    Purpose: To evaluate the intra-session repeatability of keratometric measurements obtained in healthy eyes with the Verion image-guided system (Alcon Laboratories Inc, Fort Worth, Texas, USA) as well as the interchangeability of such measurements with those obtained with an optical biometer (Aladdin, Topcon, Tokyo, Japan).

    Methods: A total of 53 eyes of 53 patients (age 31-67 years) were enrolled in the study. All eyes received a comprehensive ophthalmologic examination including an analysis with the Verion image-guided and Aladdin systems. Read More

    Sighting ocular dominance magnitude varies with test distance.
    Clin Exp Optom 2017 Oct 31. Epub 2017 Oct 31.
    Vision and Motor Performance Lab, School of Optometry and Vision Science, University of Waterloo, Waterloo, Ontario, Canada.
    Background: Ocular dominance can be defined as the preference of an individual for viewing with one eye over the other for particular visual tasks. It is relevant to monovision contact lens wear, cataract surgery and sports vision. Clinically, the measurement of ocular dominance is typically done at an arbitrary distance using a sighting test, such as the hole-in-card method that has a binary outcome. Read More

    The effect of transient glare on shape discrimination threshold in myopic adults.
    Clin Exp Optom 2017 Oct 27. Epub 2017 Oct 27.
    Optometry Department, Eye Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.
    Background: The aim was to evaluate the effect of transient glare on shape discrimination threshold (SDT) in myopic adults.

    Methods: A total of 162 myopic subjects were enrolled. Of these, 121 had low to mid myopia (-1. Read More

    Overview of mechanisms of antibiotic resistance in Pseudomonas aeruginosa: an ocular perspective.
    Clin Exp Optom 2017 Oct 18. Epub 2017 Oct 18.
    School of Optometry and Vision Science, Faculty of Science, The University of New South Wales, Sydney, New South Wales, Australia.
    Treatment of Pseudomonas aeruginosa eye infections often becomes a challenge due to the ability of this bacterium to be resistant to antibiotics via intrinsic and acquired mechanisms. Transfer of resistance due to interchangeable genetic elements is an important mechanism for the rapid transfer of antibiotic resistance in this pathogen. As a result, drug-resistant strains are becoming increasingly prevalent worldwide. Read More

    Effect of central corneal thickness on intraocular pressure and comparison of Topcon CT-80 non-contact tonometry with Goldmann applanation tonometry.
    Clin Exp Optom 2017 Oct 18. Epub 2017 Oct 18.
    Department of Statistics, National Institute of Nutrition, Hyderabad, India.
    Background: To compare intraocular pressure (IOP) measurements obtained with the Topcon CT-80 non-contact tonometer (NCT) and Goldmann applanation tonometer (GAT), in different ranges of IOP in normal and glaucoma subjects, and to assess the influence of central corneal thickness (CCT) on the IOP measurements in Asian Indian eyes.

    Methods: Four hundred and two eyes of 402 subjects (193 newly diagnosed primary open angle glaucoma [POAG] and 209 normal) were enrolled for this prospective study. For each eye, IOP was measured with GAT by a glaucoma specialist and NCT by a trained optometrist. Read More

    Impact of contact lens material and design on the ocular surface.
    Clin Exp Optom 2017 Oct 11. Epub 2017 Oct 11.
    Optics Department, Complutense University of Madrid, Madrid, Spain.
    Background: To evaluate the impact on the ocular surface of a daily disposable hydrogel contact lens with high water content compared with two silicone hydrogel daily disposable lenses of lower water content.

    Methods: The hydrogel lens assessed was made from nesofilcon A and the silicone hydrogel lenses were made of delefilcon A and stenfilcon A. Contact lens thickness was measured to assess material stability during daily wear, and ocular surface parameters such as tear film osmolarity, tear meniscus area and central corneal thickness were also assessed. Read More

    Stereoacuity measurement using a phoropter combined with two 4K smartphones.
    Clin Exp Optom 2017 Oct 9. Epub 2017 Oct 9.
    Department of Optometry, Second Hospital of Jilin University, Changchun, Jilin, China.
    Purpose: To evaluate stereoacuity using a combination of a phoropter and two 4K smartphones.

    Methods: A stereopsis measurement system was established using a phoropter (Topcon VT-10) and two Sony 4K smartphones (Sony Xperia Z5 Premium Dual E6883). A total of 154 subjects (69 children and 85 adults) were enrolled for evaluation using this system and subsequent comparison with the Fly Stereo Acuity test. Read More

    Advanced imaging for the diagnosis of age-related macular degeneration: a case vignettes study.
    Clin Exp Optom 2017 Oct 9. Epub 2017 Oct 9.
    Centre for Eye Health, Sydney, New South Wales, Australia.
    Background: The aim of this study is to evaluate the diagnosis, staging, imaging and management preferences, and the effect of advanced imaging among practising optometrists in age-related macular degeneration (AMD).

    Methods: Up to 20 case vignettes (computer-based case simulations) were completed online in a computer laboratory in random order by 81 practising optometrists of Australia. Each case presented findings from a randomly selected patient seen previously at the Centre for Eye Health for a macular assessment in the following order: case history, preliminary tests and colour fundus photography. Read More

    Refractive error in Chinese with type 2 diabetes and its association with glycaemic control.
    Clin Exp Optom 2017 Oct 3. Epub 2017 Oct 3.
    School of Public Health, Medical College of Soochow University, Suzhou, China.
    Background: The aim of this study was to determine the prevalence of refractive errors and their association with glycaemic control among adults with type 2 diabetes mellitus (T2DM) in eastern China.

    Methods: A community-based survey, including 913 adults with T2DM aged 30 to 89 years, was conducted. Refractive error was assessed by autorefraction, after which subjective refraction was performed. Read More

    In vivo confocal microscopic investigation of the cornea after autologous implantation of lenticules obtained through small incision lenticule extraction for treatment of hyperopia.
    Clin Exp Optom 2018 Jan 1;101(1):38-45. Epub 2017 Oct 1.
    Key Laboratory of Myopia, Ministry of Health, Department of Ophthalmology, EYE & ENT Hospital of Fudan University, Shanghai, China.
    Purpose: To investigate re-innervation in the implanted lenticule, as well as changes to the cornea, after correcting hyperopia with an autologous implantation of a lenticule obtained through small incision lenticule extraction (SMILE).

    Methods: This study retrospectively analysed re-innervation in the implanted lenticule, as well as microscopic morphological changes in the corneal architecture of the recipient cornea in five patients (with myopia in one eye and hyperopia in the contralateral eye) who received SMILE in the myopic eye and femtosecond laser in situ keratomileusis (FS-LASIK) combined with lenticule implantation in the contralateral hyperopic eye. Re-innervation in the implanted lenticule, as well as microscopic morphological changes in corneal architecture, were evaluated by in vivo confocal microscopy. Read More

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