Andrew Crichton
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View article: Integrating Virtual Reality Visual Perimetry Into Clinical Practice: A Review of Devices, Applications, and Limitations
Integrating Virtual Reality Visual Perimetry Into Clinical Practice: A Review of Devices, Applications, and Limitations Open
Visual field testing has long been a cornerstone of glaucoma diagnosis, monitoring, and management. The evolution of perimetry, from the early Tangent screen formalized by Julius Hirschberg in the 1870s to modern standard automated perimet…
View article: Towards preventing exfoliation glaucoma by targeting and removing fibrillar aggregates associated with exfoliation syndrome
Towards preventing exfoliation glaucoma by targeting and removing fibrillar aggregates associated with exfoliation syndrome Open
Exfoliation syndrome presents as an accumulation of insoluble fibrillar aggregates that commonly correlates with age and causes ocular complications, most notably open-angle glaucoma. Despite advances in understanding the pathogenesis and …
View article: Challenges in detecting glaucoma in the myopic patient
Challenges in detecting glaucoma in the myopic patient Open
of Cambridge (Clare College), where his dissertation examined genetic associations with glaucoma.He is an
View article: Stabilization of refractive error and associated factors following small incision phacoemulsification cataract surgery
Stabilization of refractive error and associated factors following small incision phacoemulsification cataract surgery Open
Background Accumulating evidence suggests that refractive stabilization occurs rapidly following small incision cataract surgery. Nonetheless, many guidelines still suggest waiting four to 6 weeks before prescribing corrective lenses. This…
View article: Phase 3, Randomized, 20-Month Study of the Efficacy and Safety of Bimatoprost Implant in Patients with Open-Angle Glaucoma and Ocular Hypertension (ARTEMIS 2)
Phase 3, Randomized, 20-Month Study of the Efficacy and Safety of Bimatoprost Implant in Patients with Open-Angle Glaucoma and Ocular Hypertension (ARTEMIS 2) Open
View article: Utilizing a responsive web portal for studying disc tracing agreement in retinal images
Utilizing a responsive web portal for studying disc tracing agreement in retinal images Open
Glaucoma is a leading cause of blindness worldwide whose detection is based on multiple factors, including measuring the cup to disc ratio, retinal nerve fiber layer and visual field defects. Advances in image processing and machine learni…
View article: Are Topical Steroids a Risk Factor for Tube Exposure in Glaucoma Drainage Devices?
Are Topical Steroids a Risk Factor for Tube Exposure in Glaucoma Drainage Devices? Open
Alex M Ragan, 1 Gavin Docherty, 2 Andrew Crichton 1 1Division of Ophthalmology, Department of Surgery, University of Calgary, Calgary, Alberta, Canada; 2Division of Ophthalmology, Department of Surgery, Kelowna, British Columbia, CanadaCor…
View article: Transfer Learning Through Weighted Loss Function and Group Normalization for Vessel Segmentation from Retinal Images
Transfer Learning Through Weighted Loss Function and Group Normalization for Vessel Segmentation from Retinal Images Open
The vascular structure of blood vessels is important in diagnosing retinal conditions such as glaucoma and diabetic retinopathy. Accurate segmentation of these vessels can help in detecting retinal objects such as the optic disc and optic …
View article: Utilizing Transfer Learning and a Customized Loss Function for Optic Disc Segmentation from Retinal Images
Utilizing Transfer Learning and a Customized Loss Function for Optic Disc Segmentation from Retinal Images Open
View article: Transfer Learning Through Weighted Loss Function and Group Normalization\n for Vessel Segmentation from Retinal Images
Transfer Learning Through Weighted Loss Function and Group Normalization\n for Vessel Segmentation from Retinal Images Open
The vascular structure of blood vessels is important in diagnosing retinal\nconditions such as glaucoma and diabetic retinopathy. Accurate segmentation of\nthese vessels can help in detecting retinal objects such as the optic disc and\nopt…
View article: Management of Ocular Surface Disease in Glaucoma: A Survey of Canadian Glaucoma Specialists
Management of Ocular Surface Disease in Glaucoma: A Survey of Canadian Glaucoma Specialists Open
Précis: Ocular surface disease (OSD) in glaucoma is an area for improvement in the management of patients with glaucoma. This study explores the knowledge of glaucoma subspecialists toward OSD in glaucoma, then provides a suggested treatme…
View article: Utilizing Transfer Learning and a Customized Loss Function for Optic\n Disc Segmentation from Retinal Images
Utilizing Transfer Learning and a Customized Loss Function for Optic\n Disc Segmentation from Retinal Images Open
Accurate segmentation of the optic disc from a retinal image is vital to\nextracting retinal features that may be highly correlated with retinal\nconditions such as glaucoma. In this paper, we propose a deep-learning based\napproach capabl…
View article: Structural polymorphisms in fibrillar aggregates associated with exfoliation syndrome
Structural polymorphisms in fibrillar aggregates associated with exfoliation syndrome Open
View article: Ab Interno Canaloplasty in Open-angle Glaucoma Patients Combined With In Vivo Trypan Blue Aqueous Venography
Ab Interno Canaloplasty in Open-angle Glaucoma Patients Combined With In Vivo Trypan Blue Aqueous Venography Open
Purpose: To demonstrate canalogram patterns observed when trypan blue tracer is combined with oculoviscoelastic device during ab interno canaloplasty, and discuss surgical results and potential implications for diagnosis, prognosis, and tr…
View article: 24-Month Phase I/II Clinical Trial of Bimatoprost Sustained-Release Implant (Bimatoprost SR) in Glaucoma Patients
24-Month Phase I/II Clinical Trial of Bimatoprost Sustained-Release Implant (Bimatoprost SR) in Glaucoma Patients Open
View article: A Randomized Clinical Trial of SLT vs ALT in Patients Who Have Already Received 360 Degrees of SLT-The Canadian Laser Study Trial Network.
A Randomized Clinical Trial of SLT vs ALT in Patients Who Have Already Received 360 Degrees of SLT-The Canadian Laser Study Trial Network. Open
View article: Aqueous misdirection masked as myopia after cataract surgery
Aqueous misdirection masked as myopia after cataract surgery Open
View article: Bimatoprost Sustained-Release Implants for Glaucoma Therapy: 6-Month Results From a Phase I/II Clinical Trial
Bimatoprost Sustained-Release Implants for Glaucoma Therapy: 6-Month Results From a Phase I/II Clinical Trial Open
Bimatoprost SR demonstrated favorable efficacy and safety through 6 months. All dose strengths were comparable to topical bimatoprost in overall IOP reduction through week 16. A single administration controlled IOP in the majority of patie…
View article: Outcomes of Ahmed Glaucoma Valve Mechanism Removals
Outcomes of Ahmed Glaucoma Valve Mechanism Removals Open