Discussion
Generally visually impaired persons have visual acuity of
Answer: D
The visual acuity usually quoted for a visually impaired person in the legal sense is 20/200: the person sees at 20 feet what a person with normal vision sees at 200 feet, even with the best correction in the better eye. 20/100 and 20/70 describe better vision, a milder impairment that many people can correct with lenses. 2/200 is not a standard Snellen fraction and would mean sight far worse than the usual threshold. The answer is 20/200.
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