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Doctor insights on: How Are Eye Vision Test Generally Scored

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How are eye vision test generally scored?

How are eye vision test generally scored?

Eye chart: Vision is recorded by the smallest line read on the vision chart in reference to 20/20 being normal, and it is recorded with and without your best correction. ...Read more

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Dr. Richard Bensinger
1,667 doctors shared insights

Vision (Definition)

Vision is a feature of a person's brain that allows him to see. He must have normal eyes, optic nerves (that stretch from the eyes to the back of his brain), and visual cortex (the vision center in the brain), in order to see properly. An ophthalmologist is a ...Read more


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I took vision express online eye test and it said that my eyesight was 17% above average, what to do?

I took vision express online eye test and it said that my eyesight was 17% above average, what to do?

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. ...Read more

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Can I use sph, cyl and axis of my eye test to rate my vision strength?

Can I use sph, cyl and axis of my eye test to rate my vision strength?

No: These numbers do not translate directly into a snellen acuity number (like 20/20). The degree of visual clarity is different than the eyeglass strength to achieve that clarity. ...Read more

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What do you suggest if i could use sph, cyl and axis on my eye test to rate my vision strength and if yes how to rate my vision strength?

What do you suggest if i could use sph, cyl and axis on my eye test to rate my vision strength and if yes how to rate my vision strength?

Yes: The best number to use is sphere (sph). If you are nearsighted or myopic the number has a minus sign in front of it. The higher the number, the worse your uncorrected vision is. If you are farsighted, the number is a plus sign and the same applies. The cyl stands for cylinder and is a measure of astigmatism. The higher the number, the worse the astigmatism ...Read more

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Had a eye test and eyes seem fine but I keep seeing a black dot in my vision and even when I close my eyes. It stays on one position then goes?

Had a eye test and eyes seem fine but I keep seeing a black dot in my vision and even when I close my eyes. It stays on one position then goes?

Vitreous floater: It sounds like you have vitreous floaters, little grayish spots of differing shapes in the vitreous cavity of your eye. These increase with aging, myopia, lattice degeneration, and can arise from retinal tears, inflammation, trauma, surgery. The dilated eye examination is important to rule out serious causes that need treatment. As long as this has been done, just monitor for change. ...Read more

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Wondering why eye vision went from -2.25 to -2.75 within less than a year. Seems a lot. Was stressed between that time. Recent opthalm. test: VGood.

Not significant: The final numbers for vision are based upon subjective information which includes how you felt on the day of the examination, how sharp was the eye doctor doing the measurements, lighting in the room, etc. There is some room for values to be up and down. Your number went up 0.50 which is not a great movement and may reflect these uncertainties. Nothing here to worry about. ...Read more

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I was wondering if there are any test to acquire night vision by eye surgeries? .

I was wondering if there are any test to acquire night vision by eye surgeries? .

If : If your night vision has never been good--this may be genetic or it may be from undercorrected eye glasses or contacts. Have your eye doc do a measurement in the dark to see if it is different than a "day time" measurement. ...Read more

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