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2. Snellen chart - Wikipedia

   en.wikipedia.org/wiki/Snellen_chart

   In the most familiar acuity test, a Snellen chart is placed at a standard distance: 6 metres. At this distance, the symbols on the line representing "normal" acuity subtend an angle of five minutes of arc, and the thickness of the lines and of the spaces between the lines subtends one minute of arc. This line, designated 6/6 (or 20/20), is the ...

3. Physicians' Desk Reference - Wikipedia

   en.wikipedia.org/wiki/Physicians'_Desk_Reference

   Physicians' Desk Reference. The Physicians' Desk Reference (PDR), renamed Prescriber's Digital Reference after its physical publication was discontinued, is a compilation of manufacturers' prescribing information (package insert) on prescription drugs, updated regularly and published by ConnectiveRx. [citation needed]

4. Walgreens - Wikipedia

   en.wikipedia.org/wiki/Walgreens

   Walgreens. Walgreen Company is an American company that operates the second-largest pharmacy store chain in the United States, behind CVS Health. [ 3 ] It specializes in filling prescriptions, health and wellness products, health information, and photo services. [ 4 ] It was founded in Chicago in 1901, and is headquartered in the Chicago suburb ...

5. Eye chart - Wikipedia

   en.wikipedia.org/wiki/Eye_chart

   Landolt C. Lea test. logMAR 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.

6. Walgreens and CVS warned about selling illegal eye products - AOL

   www.aol.com/walgreens-cvs-warned-selling-illegal...

   Ms Furman wrote in the letter sent to Walgreens: “Your ‘Walgreens Allergy Eye Drops,’ ‘Walgreens Stye Eye Drops,’ and ‘Walgreens Pink Eye Drops’ products are especially concerning ...

7. Eye examination - Wikipedia

   en.wikipedia.org/wiki/Eye_examination

   29271-4. An eye examination, commonly known as an eye test, [1] is a series of tests performed to assess vision and ability to focus on and discern objects. It also includes other tests and examinations pertaining to the eyes. Eye examinations are primarily performed by an optometrist, ophthalmologist, or an orthoptist.