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2. Eye examination - Wikipedia

   en.wikipedia.org/wiki/Eye_examination

   A full eye examination consists of a comprehensive evaluation of medical history, followed by 8 steps of visual acuity, pupil function, extraocular muscle motility and alignment, intraocular pressure, confrontational visual fields, external examination, slit-lamp examination and fundoscopic examination through a dilated pupil.

3. List of optometric abbreviations - Wikipedia

   en.wikipedia.org/wiki/List_of_optometric...

   Visual acuity VA Dcc - VA Dsc Visual acuity with Distant chart with correctors Visual acuity with eye chart at Distant 20 feet (6 m) and with (cc: Latin cum correctore) correctors (spectacles); Dsc is without (sc: Latin sine correctore) correctors. See Visual_acuity#Legal_definitions: VA Nsc - VA Ncc Visual acuity with Near chart without correctors

4. Visual acuity - Wikipedia

   en.wikipedia.org/wiki/Visual_acuity

   Eye examination for visual acuity The LogMAR – ETDRS Chart, designed in 1976, to test for visual acuity. Visual acuity is a measure of the spatial resolution of the visual processing system.

5. Snellen chart - Wikipedia

   en.wikipedia.org/wiki/Snellen_chart

   A person taking the test covers one eye from 6 metres or 20 feet away, and reads aloud the letters of each row, beginning at the top. The smallest row that can be read accurately indicates the visual acuity in that specific eye. The symbols on an acuity chart are formally known as "optotypes". Variation of Snellen chart with another letter ...

6. Eye chart - Wikipedia

   en.wikipedia.org/wiki/Eye_chart

   An eye chart is a chart used to measure visual acuity comprising lines of optotypes in ranges of sizes. Optotypes are the letters or symbols shown on an eye chart. [1] Eye charts are often used by health care professionals, such as optometrists, physicians and nurses, to screen persons for vision impairment.

7. LogMAR chart - Wikipedia

   en.wikipedia.org/wiki/LogMAR_chart

   Snellen chart. The Snellen chart, which dates back to 1862, is also commonly used to estimate visual acuity.A Snellen score of 6/6 (20/20), indicating that an observer can resolve details as small as 1 minute of visual angle, corresponds to a LogMAR of 0 (since the base-10 logarithm of 1 is 0); a Snellen score of 6/12 (20/40), indicating an observer can resolve details as small as 2 minutes of ...