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Legally blind indicates that a person has less than 20/200 vision in the better eye after best correction (contact lenses or glasses), or a field of vision of less than 20 degrees in the better eye. Totally blind students learn via braille or other non-visual media.
The largest letter on an eye chart often represents an acuity of 6/60 (20/200), the value that is considered "legally blind" in the US. Many individuals with high myopia cannot read the large E without glasses, but can read the 6/6 (20/20) line or 6/4.5 (20/15) line with glasses.
This page was last edited on 19 August 2015, at 14:42 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
Gyllenhaal has been wearing intensive corrective lenses since he was about 6 years old, and was born with a lazy eye that naturally resolved. "I like to think it's advantageous," he told the ...
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In 2015, researchers from the National Eye Institute estimated that 1 million Americans were legally blind (20/200 vision or worse), 3.2 million had visual impairment (20/40 vision or worse) and ...
Oculus means eye. OS is an abbreviation for oculus sinister, Latin for left eye from the patient's point of view. OU is an abbreviation for oculi uterque, Latin for both eyes. N.B.: In some countries, such as the United Kingdom, RE (right eye), LE (left eye), and BE (both eyes) are used. Sometimes, just right and left are used.
Blind – Being deemed blind consists of meeting the following definition: "central visual acuity of 20/200 or less in the better eye with the use of a correcting lens. An eye which has a limitation in the field of vision such that the widest diameter of the visual field subtends an angle no greater than 20 degrees should also be considered as ...