Eye Conditions

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April 24, 2017

Women Face Higher Risk of Blindness Than Men

Posted in: Eye Conditions, Latest News

Studies show there is a gender gap in eye disease. Women are more likely than men to suffer from sight-threatening conditions such as age-related macular degeneration (AMD), cataracts, and glaucoma.1 In support of Healthy Vision Month in May, the American Academy of Ophthalmology reminds women to make vision a top priority. Women make up 65 percent
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February 27, 2016

Large Study Shows 1 in 5 People With Vision Loss Experience Hallucinations

Posted in: Eye Conditions, Latest News

A new study conducted by the Canadian National Institute for the Blind (CNIB) has found that one in five Canadians with vision loss who were surveyed experience visual hallucinations, known as Charles Bonnet Syndrome (CBS). The study, titled “Prevalence of visual hallucinations in a national low vision client population”, published in the most recent issue
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December 23, 2015

Glaucoma Awareness Can Help Save Your Vision

Posted in: Eye Conditions, Latest News

Important Information from the National Eye Institute Glaucoma is a major cause of vision loss in the U.S. While it currently affects about 3 million Americans, estimates show 6.3 million could have glaucoma by 2050. With Glaucoma Awareness Month in January, it’s a good time to think about scheduling a comprehensive dilated eye exam, especially
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November 21, 2015

Contrast Sensitivity Chart

Posted in: Eye Conditions, Vision Tests

November 21, 2015

Hyperacuity Grid

Posted in: Eye Conditions, Vision Tests

This uses your hyperacuity to easily locate areas of visual distortion possibly caused by fluid or blood leakage in your retina. Print this page, then cut out the strip of dots below. With one eye shut, gaze at the center of the graph from a distance of about 12 inches (30 cm). Slide the strip
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September 27, 2015

Retinitis Pigmentosa

Posted in: Eye Conditions

by David Twigg (freelance writer, Sheffield, England) (Reprinted here with permission from https://www.edel-optics.co.uk/Retinitis-Pigmentosa.html) Retinitis Pigmentosa covers a group of eye conditions affecting the retina, leading to sight problems and loss of vision. It is one of the conditions falling under the heading of Rod-Cone Dystrophy, genetic conditions in which the rod and cone cells in the eye deteriorate
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March 31, 2015

All About Eyeglasses

Posted in: Daily Living, Eye Conditions, Latest News

For something so important, most people know very little about their eyeglasses. What do those abbreviations and numbers on the prescription mean? Why do my friend and I have the same prescription numbers, when my vision is so much worse? What does 20/20 mean? If my best vision without glasses is 20/200, am I legally
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July 4, 2014

Myopia: Genetic or Environmental?

Posted in: Eye Conditions, Latest News

by Dan Roberts Ophthalmic nearsightedness (myopia) results from an abnormal elongation of the eyeball during the growing years. This extra “axial length” causes objects at a distance to appear out of focus, which can usually be corrected with prescription glasses. The physical aspects of extreme nearsightedness (hypermyopia), however, can lead to a type of uncorrectable
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June 4, 2014

Prevent Blindness List of Lists

Posted in: Daily Living, Eye Conditions, Health and Nutrition, Latest News, Low Vision Rehabilitation

by Dan Roberts Editor-in-Chief, Prevent Blindness I was looking through our Prevent Blindness online library today and realized how many “listicles” there are. Listicles are articles formatted into lists, which old-school journalists say are rotting our brains. I should worry about that, but I enjoy reading and writing them, so I’ll take my chances. I
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March 1, 2014

What Is Low Vision?

Posted in: Eye Conditions, Low Vision Rehabilitation

By Dan Roberts An estimated fourteen million Americans have low vision, also called visual impairment. It is generally any interference with sight that hinders the performance of daily activities. More specifically, low vision describes varying degrees of sight loss caused by disease, trauma, or a congenital disorder. Low vision may appear as one or more of
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