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    4476 results match your criteria Canadian Journal of Ophthalmology[Journal]

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    Excerpt from the Canadian Ophthalmological Society evidence-based clinical practice guidelines for the management of diabetic retinopathy.
    Can J Ophthalmol 2017 11;52 Suppl 1:S45-S74
    Philip Hooper, London, ON (Chair) (retina and uveitis); Marie Carole Boucher, Montreal, QC (retina and teleophthalmology); Alan Cruess, Halifax, NS (retina); Keith G. Dawson, Vancouver, BC (endocrinology); Walter Delpero, Ottawa, ON (cataract and strabismus); Mark Greve, Edmonton, AB (retina and teleophthalmology); Vladimir Kozousek, Halifax, NS (medical retina); Wai-Ching Lam, Toronto, ON (retina and research); David A.L. Maberley, Vancouver, BC (retina).

    Relationship between vitamin D deficiency and diabetic retinopathy: a meta-analysis.
    Can J Ophthalmol 2017 Nov;52 Suppl 1:S39-S44
    Department of Internal Medicine, Bassett Medical Center, Cooperstown, NY; Department of Preventive and Social Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand.
    Objective: The purpose of this study was to evaluate the evidence for an association between diabetic retinopathy (DR) and vitamin D deficiency.

    Design: Meta-analysis.

    Methods: We included 14 observational studies with 10 007 participants who had undergone assessment for both DR and vitamin D deficiency. Read More

    Analysis of reasons for noncompliance with laser treatment in patients of diabetic retinopathy.
    Can J Ophthalmol 2017 Nov;52 Suppl 1:S34-S38
    Department of Ophthalmology and Visual Sciences, University of British Columbia, Vancouver, B.C.. Electronic address:
    Objective: To identify the underlying reasons for noncompliance among Chinese patients undergoing laser photocoagulation treatment for diabetic retinopathy (DR).

    Design: Prospective cohort study.

    Participants: A total of 262 patients with DR with indications for panretinal photocoagulation and focal laser treatment were recruited. Read More

    The role of occult hypertension in retinal vein occlusions and diabetic retinopathy.
    Can J Ophthalmol 2017 Nov;52 Suppl 1:S30-S33
    Department of Ophthalmology and Vision Sciences, University of Toronto, Toronto, Ont. Electronic address:
    Objective: The aim of the study was to investigate whether individuals who develop retinal vein occlusion (RVO) or sudden-onset activity in otherwise quiescent diabetic retinopathy (DR) and those who have normal blood pressure (BP) or controlled hypertension according to their family physician show evidence of occult hypertension on 24-hour BP monitoring.

    Methods: Patients with a new-onset RVO or DR that led to vitreous hemorrhage after a period of quiescence were identified. Informed consent was obtained, and patients were enrolled in the study if they met all of the inclusion criteria. Read More

    Risk factors for progression of diabetic retinopathy in Alberta First Nations communities.
    Can J Ophthalmol 2017 Nov;52 Suppl 1:S19-S29
    Department of Ophthalmology, Faculty of Medicine, Dentistry, University of Alberta, Edmonton, Alta.
    Objective: The Screening for Limb, I-Eye, Cardiovascular, and Kidney Complications (SLICK) Program was implemented in 1999 to improve diabetic care for Alberta First Nations individuals living on reserve. The purpose of this review is to determine the rate and predictors of progression of diabetic retinopathy (DR) over a 10-year period.

    Design: Cohort study. Read More

    Six-year prevalence and incidence of diabetic retinopathy and cost-effectiveness of tele-ophthalmology in Manitoba.
    Can J Ophthalmol 2017 Nov;52 Suppl 1:S15-S18
    Department of Ophthalmology, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba.Recipient of the 2015 Canadian Ophthalmological Society Award for Excellence in Ophthalmic Research (Poster).
    Objective: The purpose of this study was to evaluate the diabetic retinopathy (DR) tele-ophthalmology screening program in Manitoba to determine prevalence and incidence of DR, as well as to estimate the program's cost-effectiveness.

    Design: Retrospective chart review.

    Participants: A total of 4676 patients with type 2 diabetes examined 9334 times from 2007 to 2013. Read More

    Cerebellopontine angle astrocytoma producing Bruns nystagmus mimicking vestibular schwannoma.
    Can J Ophthalmol 2017 10 16;52(5):e181-e182. Epub 2017 May 16.
    Department of Ophthalmology, Blanton Eye Institute, Houston Methodist Hospital, Houston, Tex; Departments of Ophthalmology, Neurology, and Neurosurgery, Weill Cornell Medicine, New York, N.Y.; Department of Ophthalmology, The University of Iowa, Iowa City, Ia; Department of Ophthalmology, Baylor College of Medicine, Houston, Tex; Department of Ophthalmology, University of Texas Medical Branch, Galveston, Tex; Section of Ophthalmology, UT MD Anderson Cancer Center, Houston, Tex; Department of Ophthalmology, University at Buffalo (SUNY), Buffalo, N.Y. Electronic address:

    Infantile cataract: comparison of two surgical approaches.
    Can J Ophthalmol 2017 Oct 5;52(5):527-532. Epub 2017 Jul 5.
    Department of Ophthalmology, Soroka University Medical Center, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel.
    Objective: To compare the results of 2 cataract extraction techniques with primary intraocular lens (IOL) implantation in children.

    Design: Retrospective comparative case series study.

    Methods: This study included children with congenital or developmental cataract. Read More

    Young donor-graft assisted endothelial keratoplasty (PDEK/DMEK) with epithelial debridement for chronic pseudophakic bullous keratopathy.
    Can J Ophthalmol 2017 Oct 16;52(5):519-526. Epub 2017 May 16.
    Dr. Agarwal's Eye Hospital & Research Centre, Chennai, India.
    Objective: The aim of this study was to describe the applicability and report visual outcomes for the treatment of subepithelial fibrosis and anterior stromal scarring in cases of chronic pseudophakic bullous keratopathy (PBK) with epithelial debridement and endothelial keratoplasty (EK) (pre-Descemet endothelial keratoplasty [PDEK]; Descemet membrane endothelial keratoplasty [(DMEK]) using young donor tissue.

    Design: Prospective, single-centre, interventional study.

    Participants: 6 cases with chronic PBK (> 1 year duration). Read More

    Tear osmolarity and subjective dry eye symptoms in migraine sufferers.
    Can J Ophthalmol 2017 Oct 26;52(5):513-518. Epub 2017 May 26.
    Department of Ophthalmology, Saskatoon City Hospital, Saskatoon, Sask.
    Objective: Previous studies have suggested an association between dry eye and migraine. In a busy ophthalmologist clinic, quick identification of dry eye in migraine sufferers may improve their quality of life. Tear osmolarity is an objective and reliable tool for diagnosing dry eye. Read More

    Collagen cross-linking as an adjunct for repair of corneal lacerations: a cadaveric study.
    Can J Ophthalmol 2017 Oct 18;52(5):508-512. Epub 2017 Mar 18.
    Department of Ophthalmology, Queen's University, Kingston, Ont. Electronic address:
    Objective: To determine the efficacy of collagen cross-linking (CXL) as an adjunct to suturing in the repair of corneal lacerations.

    Methods: A cadaveric study was undertaken in which a linear 5 mm corneal laceration was created in the central cornea of 20 eyes. The eyes were then randomized to receive 1 (n = 8), 2 (n = 8), or 3 (n = 4) standard corneal sutures. Read More

    Barriers to electronic medical record implementation: a comparison between ophthalmology and other surgical specialties in Canada.
    Can J Ophthalmol 2017 Oct 20;52(5):503-507. Epub 2017 Apr 20.
    The Department of Ophthalmology and Vision Sciences, University of Toronto, Toronto, Ont. Electronic address:
    Objective: In the present study, the barriers limiting widespread adoption of electronic medical records (EMRs) among Canadian ophthalmologists were evaluated in comparison with physicians from other surgical specialities. The published literature regarding EMR use in ophthalmic practice was also reviewed.

    Design: Population-based, cross-sectional study. Read More

    Ocular injury in orbital fractures at a level I trauma center.
    Can J Ophthalmol 2017 Oct 29;52(5):499-502. Epub 2017 Apr 29.
    McGill University Health Center, McGill University, Montreal, Que.
    Objective: To determine the acuity of ophthalmology referral for orbital fractures.

    Methods: This is a retrospective chart review of 73 cases of orbital fractures over a 1-year period at a level I trauma centre. All consultations including those for orbital fractures were included in the study. Read More

    Effectiveness of indocyanine green gel in the identification and complete removal of the medial wall of the lacrimal sac during endoscopic endonasal dacryocystorhinostomy.
    Can J Ophthalmol 2017 Oct 16;52(5):494-498. Epub 2017 May 16.
    Department of Ophthalmology, Korea University College of Medicine, Seoul, Korea. Electronic address:
    Objective: We investigated the effect of using indocyanine green (ICG) gel, a mixture of ICG and Viscoat, on complete removal of the medial wall of the lacrimal sac as well as the success rate of endoscopic endonasal dacryocystorhinostomy (DCR) for primary acquired nasolacrimal duct obstruction.

    Methods: Consecutive cases of endoscopic endonasal DCR between January and December 2010 were included in a retrospective, comparative manner. A total of 91 patients with primary acquired nasolacrimal duct obstruction were enrolled. Read More

    A decade of surgical eye removals in Ontario: a clinical-pathological study.
    Can J Ophthalmol 2017 Oct 19;52(5):486-493. Epub 2017 May 19.
    Keenan Research Centre at the Li Ka Shing Knowledge Institute of St. Michael's Hospital, Toronto, Ont; Department of Ophthalmology and Vision Sciences, Faculty of Medicine, University of Toronto, Toronto, Ont; Department of Laboratory Medicine and Pathobiology, Faculty of Medicine, University of Toronto, Toronto, Ont; Ophthalmic Pathology Laboratory, University of Toronto, Toronto, Ont. Electronic address:
    Objective: To assess patient demographics, clinical indications, and pathologic causes of surgically removed eyes over a decade in Ontario (Canada) and to identify areas of ocular disease management needing more attention.

    Design: Retrospective cross-sectional study.

    Participants: The surgically removed eyes of 713 consecutive mainly adult patients from 2004 to 2013. Read More

    Community vision screening in preschoolers: initial experience using the Plusoptix S12C automated photoscreening camera.
    Can J Ophthalmol 2017 Oct 17;52(5):480-485. Epub 2017 Mar 17.
    Lawson Health Research Institute, London, Ont; Ivey Eye Institute/Department of Ophthalmology, St. Joseph's Hospital, London, Ont; Children's Hospital of Western Ontario, London, Ont.
    Objective: Amblyopia is the leading cause of monocular vision impairment in children. Early intervention is critical to prevent permanent vision impairment. Preschool vision screening programs in Canada are limited. Read More

    Age-related macular degeneration: is polypoidal choroidal vasculopathy recognized and treated?
    Can J Ophthalmol 2017 Oct 8;52(5):475-479. Epub 2017 May 8.
    Department of Ophthalmology, University of Toronto, Toronto, Ont. Electronic address:
    Objective: To assess how polypoidal choroidal vasculopathy (PCV) is recognized and treated, and to assess whether treatment outcomes are different between Chinese and Caucasian Canadian patients with age-related macular degeneration (AMD).

    Design: Retrospective chart review.

    Participants: 154 eyes from 135 Chinese patients and 2291 eyes from 1792 Caucasian patients who were newly diagnosed with either AMD or PCV and had more than 1 year of follow-up were included. Read More

    Low-dose ranibizumab as primary treatment of posterior type I retinopathy of prematurity.
    Can J Ophthalmol 2017 Oct 19;52(5):468-474. Epub 2017 Jul 19.
    Calgary Retina Consultants, Calgary, Alberta, Canada.
    Objective: The aim of this study was to evaluate the visual and structural outcomes of eyes that received ranibizumab as treatment for retinopathy of prematurity (ROP).

    Methods: This was a retrospective case series of infants who received a 0.2 mg (0. Read More

    Antigen-specificity of antiretinal antibodies in patients with noninfectious uveitis.
    Can J Ophthalmol 2017 Oct 10;52(5):463-467. Epub 2017 May 10.
    Department of Ophthalmology, University of British Columbia, Vancouver, BC.. Electronic address:
    Objective: Antiretinal antibodies (ARAs) have previously been described in noninfectious uveitis. However, the antigen specificity of these ARAs has not been investigated. The purpose of this study was to identify antigen-specific ARAs in noninfectious uveitis. Read More

    Adult patients with uveitis associated with juvenile idiopathic arthritis: a retrospective review.
    Can J Ophthalmol 2017 Oct 18;52(5):458-462. Epub 2017 Mar 18.
    Institute of Ophthalmology and Visual Science, Rutgers New Jersey Medical School, Newark, New Jersey; Metropolitan Eye Research and Surgery Institute, Palisades Park, New Jersey. Electronic address:
    Objective: To describe clinical characteristics and outcomes of adults with uveitis associated with juvenile idiopathic arthritis (JIA).

    Methods: Retrospective chart review from 2001 to 2014 of adult patients with JIA and follow-up ≥2 months. Outcome measures included visual acuity, intraocular pressure (IOP), inflammation grade, ocular findings/complications, immunosuppressive therapies, and surgeries. Read More

    Flashes and floaters: a survey of Canadian ophthalmology residents' practice patterns.
    Can J Ophthalmol 2017 Oct 21;52(5):453-457. Epub 2017 Apr 21.
    Department of Ophthalmology, University of Ottawa, Ottawa, Ont; The University of Ottawa Eye Institute, The Ottawa Hospital General Campus, Ottawa, Ont. Electronic address:
    Background: Residents are often the first point of contact in assessing patients who present with "flashes and floaters" in the emergency ophthalmology clinic. Most often, these symptoms are attributed to a posterior vitreous detachment (PVD), which may be associated with a retinal tear in up to 14% of cases. A proper peripheral retinal exam is, thus, imperative, and techniques other than scleral depression may not be sufficient. Read More

    Creation and validation of a simulator for corneal rust ring removal.
    Can J Ophthalmol 2017 Oct 31;52(5):447-452. Epub 2017 May 31.
    Department of Ophthalmology, Queen's University, Kingston, Ont. Electronic address:
    Objective: To create and validate a simulation model for corneal rust ring removal.

    Methods: Rust rings were created on cadaveric eyes with the use of small particles of metal. The eyes were mounted on suction plates at slit lamps and the trainees practiced rust ring removal. Read More

    Evaluation of an online peer fundus photograph matching program in teaching direct ophthalmoscopy to medical students.
    Can J Ophthalmol 2017 Oct 3;52(5):441-446. Epub 2017 May 3.
    Department of Ophthalmology, Queen's University, Hotel Dieu Hospital, Kingston, ON. Electronic address:
    Objective: Direct ophthalmoscopy is an important clinical skill that is often poorly performed by medical professionals and students. This is attributable to a declining emphasis on ophthalmology in medical school. We present and evaluate a self-directed approach of teaching ophthalmoscopy to medical students that is suitable for the current medical curriculum. Read More

    The application of a "6S Lean" initiative to improve workflow for emergency eye examination rooms.
    Can J Ophthalmol 2017 Oct 15;52(5):435-440. Epub 2017 Apr 15.
    Department of Ophthalmology and Visual Sciences, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alta.. Electronic address:
    Background: Ophthalmology residents on call at the Royal Alexandra Hospital identified workplace disorganization and lack of standardization in emergency eye examination rooms as an impediment to efficient patient treatment.

    Objective: The aim of the study was to use the "6S Lean" model to improve workflow in eye examination rooms at the Royal Alexandra Hospital.

    Methods: With the assistance of quality improvement consultants, the "6S Lean" model was applied to the current operation of the emergency eye clinic examination rooms. Read More

    Teaching binocular indirect ophthalmoscopy to novice residents using an augmented reality simulator.
    Can J Ophthalmol 2017 Oct 21;52(5):430-434. Epub 2017 Apr 21.
    Department of Ophthalmology & Vision Sciences, University of Toronto, Toronto, Ont. Electronic address:
    Objective: To compare the traditional teaching approach of binocular indirect ophthalmoscopy (BIO) to the EyeSI augmented reality (AR) BIO simulator.

    Design: Prospective randomized control trial.

    Participants: 28 post-graduate year one (PGY1) ophthalmology residents. Read More

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