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A reference value above which visual acuity is considered normal is called 6/6 vision, the USC equivalent of which is 20/20 vision: At 6 metres or 20 feet, a human eye with that performance is able to separate contours that are approximately 1.75 mm apart. [9] Vision of 6/12 corresponds to lower performance, while vision of 6/3 to better ...
If you’re enrolled in Medicare, routine vision care isn’t guaranteed. Some privately administered Medicare Advantage plans cover eyeglasses and eye exams. But Original Medicare — which ...
Medicare Part B contributes 80% of the cost of one pair of eyeglasses or set of contact lenses after cataract surgery after a person has reached the Part B deductible. Medicare Part B also covers ...
Perhaps we can keep the 20/20 standard and change the expression to "good" eyesight, while 20/16 would be "excellent" and 20/12 "exceptional." Then we can call 20/40 or 20/60 "normal."4.224.219.114 23:58, 29 June 2007 (UTC) I wear reading glasses but my vision is 22/20, so slightly better than 20/20.
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. By contrast, legally blind individuals have a visual acuity of 6/ ...
I have 20/20 vision, so wearing glasses that I don’t technically need to see is absolutely not happening—unless, of course, the glasses are stylish and cool enough for me to want to wear them.
Central visual acuity of 20/200 or less in the better eye with corrective glasses or central visual acuity of more than 20/200 if there is a visual field defect in which the peripheral field is contracted to such an extent that the widest diameter of the visual field subtends an angular distance no greater than 20 degrees in the better eye.
The World Health Organization (WHO) recommends at least 80% of eyes should have a presenting visual acuity of 6/6 to 6/18 (20/20 to 20/60) after surgery, which is considered a good enough visual outcome; the percentage is expected to reach at least 90% with best correction. Acuity of between 6/18 and 6/60 (20/60 to 20/200) is regarded as ...
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