Legally blind vision means "worse than or equal to 20/200". This means that what a normal eye can see at 200 feet...a legally blind eye can see at 20 feet (10x closer).
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This site is for patients and their families. Information can be found in two ways: 1) enter the topic you wish to explore in the box on the upper left and click "search blog", or 2) scroll through "blog archives" on the lower portion of the sidebar on the right (you must click on each month to see all posts for the month). If you post a comment, I will respond. For questions not addressed...please email me directly at robert.devenyi@uhn.ca
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Dr Robert G. Devenyi
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Blog Archive
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2009
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March
(48)
- what is "pneumatic retinopexy"?
- does Lasik reduce the risk of retinal detachment?
- how common is retinal detachment?
- what is silcone oil?
- how is a retinal tear treated?
- what are "flashes and floaters"?
- what is a vitreous hemorrhage?
- how can a person avoid developing diabetic retinop...
- does everyone with diabetes develop diabetic retin...
- Who should wear a visor when playing hockey?
- how does a tear form in the retina?
- what is an epiretinal membrane?
- what is diabetic macular edema?
- what is central serous retinopathy?
- can a macular hole be treated?
- what is a macular hole and how does it develop?
- how does laser work in proliferative diabetic reti...
- what is proliferative diabetic retinopathy?
- what is endophthalmitis?
- what is a vitrectomy?
- what is a "scleral buckle"?
- what is retinal detachment?
- what is a branch retinal vein occlusion?
- what is a central retinal artery occlusion?
- what is a central retinal vein occlusion?
- what are the visual requirement for driving a car ...
- what does "legally blind" mean?
- what is "VEGF"?
- what is a "disciform scar"?
- is Visudyne still used in the treatment of macular...
- what is Avastin?
- how frequently does Lucentis need to be given?
- What are the current treatments available for "wet...
- what is "AREDS"?
- What are the current treatments available for dry ...
- does wet macular degeneration develop slowly or qu...
- What's new in retinal surgery? (Video-Part 1 of 4)
- Video (Part 2)
- Video (Part 3)
- Video (Part 4)
- what is "wet" macular degeneration?
- how many types of macular degeneration exist?
- what is the macula?
- does everyone develop macular degeneration?
- why does macular degeneration develop?
- what are the symptoms of macular degeneration?
- what is the retina?
- what is "dry" macular degeneration
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March
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About Me
- Dr Robert G. Devenyi
- Toronto, Ontario, Canada
- Dr. Devenyi graduated summa cum laude from the University of Toronto School of Medicine. Following an internship at Sunnybrook Medical Center, he completed his Residency in Ophthalmology at the University of Toronto. He then did further training in the subspecialty of Vitreoretinal Surgery at the Medical College of Wisconsin, in Milwaukee Wisconsin. He has been on staff at the University Health Network and the Hospital for Sick Children since 1988, and the Director of Retinal Services at the University Health Network since 1993. Dr. Devenyi has been the Ophthalmologist-in-Chief at the Donald K. Johnson Eye Center at the University Health Network since 2001. He is also a Professor of Ophthalmology and Vision Sciences at the University of Toronto, and the Team Ophthalmologist for the Toronto Maple Leaf Hockey Club in the National Hockey League. Dr Devenyi is also on staff at the Toronto Retina Institute and Crystal Clear Vision in Toronto. In 2014 Dr. Devenyi was appointed to the Karen and William Barnett Chair in Ophthalmology at the University of Toronto.
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