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online snellen eye test

A 29-year-old member asked:
Dr. Jay Bradley
18 years experience LASIK Surgery
Snellen eye chart: A snellen eye chart is used to test vision at a standard distance. It is often used in eye clinics.

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A 31-year-old member asked:
Dr. Daniel Gradin
36 years experience Ophthalmology
No: It depends on the size of the print on "line 8" and the distance from the chart. It is common for people to read the 20/15 equivalent, and not unusua ... Read More
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1 thank
A 45-year-old member asked:
Dr. Richard Bensinger
52 years experience Ophthalmology
Lowered vision: The 20/200 line (6/60 in metric units) is usually the letters below the big "e" on the standard vision charts. This is also the level for legal blind ... Read More
A 40-year-old member asked:
Dr. Richard Bensinger
52 years experience Ophthalmology
Read smallest line: The snellen chart is a graded series of letters or numbers smaller as you go down. The uncorrected vision is the smallest line easily read with each ... Read More
A 33-year-old member asked:
Dr. Jeffrey Whitman
45 years experience Ophthalmology
No: You need a current prescription from your eye doctor in order to order them.
A 39-year-old member asked:
Dr. Michael Ham
27 years experience Ophthalmology
Celabrate: You vision is better than most. That does not mean you do not need routine examinations, or there is no problems with your eyes.
A 56-year-old female asked:
Dr. Silviu Pasniciuc
27 years experience Internal Medicine
Needs eval: Seizure like activity will have to be ruled out with the understanding that much more common conditions are possible that are relatively benign. Her p ... Read More
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1 thank
A 22-year-old female asked:
Dr. Stephen Southard
15 years experience Internal Medicine
Concussions are ...: More complicated to diagnosis than just based on answers from a online testing. Even when seeing a patient with a possible concussion an examination ... Read More
A 46-year-old member asked:
Dr. George Yang
27 years experience Ophthalmology
Astigmatism: The 'cyl' column in your eye prescription refers to astigmatism. You can think of astigmatism like warping on the surface of your eye -- like a footb ... Read More
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1 thank
A 38-year-old member asked:
Dr. Richard Rosen
36 years experience Ophthalmology
Compared to standard: The chart used to test the eye is calibrated for normal vision at 20 feet. The outcome achieved is compared to what a normal eye can see at 20 feet. S ... Read More
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