glacouma
20 feet
The ability to see clearly is called visual acuity
the scale of the visual acuity is snelle chat
A. Kreiker has written: 'Proposal to standardise the unit and examination of visual acuity, based upon the oxyoptric system of De Blaskovics' -- subject(s): Eye, Visual acuity, Examination
An eye examination that determines sharpness of vision, typically performed by identifying objects and/or letters on an eye chart
20 20 vision refers to the normal visual acuity, both in the right and left eyes.
6/6. Six by six is normal visual acuity.
Cataracts are easily diagnosed from the reporting of symptoms, a visual acuity exam using an eye chart, and by examination of the eye itself.
The "yellow spot" or macula of the retina is designed to provide the maximum visual acuity. It gives the highest quality image in the mammalian eye.
A cyclist needs good visual acuity
with oldage ones visual acuity is impared