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Visual acuity

Visual acuity

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Visual acuity is the measure of the sharpness of vision. It is the most important measurement of eye function. In the us, the antiquated snellen visual acuity measurement is most often used. This is the "20/20" thing you have no doubt heard of.

Dr. Tim Conrad reviewed this

36 year experience in Ophthalmology

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Related questions

A 36-year old asked:

What is a visual acuity test?

2 doctor answers • 3 doctors weighed in

A 43-year old asked:

How can I know my visual acuity?

1 doctor answer • 5 doctors weighed in

A 32-year old asked:

What's the highest visual acuity?

1 doctor answer • 1 doctor weighed in

A 42-year old asked:

How to find out my visual acuity?

1 doctor answer • 4 doctors weighed in

A 42-year old asked:

What is combined visual acuity (combined vision)?

1 doctor answer • 2 doctors weighed in

A 38-year old asked:

I was wondering what does 6/5 visual acuity mean?

1 doctor answer • 1 doctor weighed in

A 28-year old male asked:

What is the definition or description of: visual acuity?

2 doctor answers • 4 doctors weighed in

A 34-year old asked:

Is there a rough visual acuity test that I can easily perform?

3 doctor answers • 4 doctors weighed in

A 40-year old asked:

When documenting visual acuity rating what do the numbers mean?

1 doctor answer • 2 doctors weighed in

A 34-year old asked:

Is there a way to find out your visual acuity with an app or website?

1 doctor answer • 2 doctors weighed in

A 29-year old asked:

What is the difference of having a visual acuity of 20/10 versus a 20/50 vision?

1 doctor answer • 1 doctor weighed in

A 35-year old asked:

Please let me know if there is a direct correlation between lens power and visual acuity?

1 doctor answer • 1 doctor weighed in

A 43-year old asked:

How can I calculate visual acuity?

1 doctor answer • 1 doctor weighed in

A 40-year old asked:

Can docs explain what does visual acuity indicate?

1 doctor answer • 3 doctors weighed in

A 48-year old asked:

Is there a way to convert contact lens power to a simple central visual acuity?

1 doctor answer • 2 doctors weighed in

A 33-year old asked:

Please help? Is the meaning of visual acuity- the "ability to discriminate between two points"?

1 doctor answer • 1 doctor weighed in

A 39-year old asked:

What is an example of a bad score on a visual acuity test? When are you bad enough to need glasses to drive?

1 doctor answer • 1 doctor weighed in

A 35-year old asked:

Does computer vision syndrome affect my visual acuity?

2 doctor answers • 2 doctors weighed in

A 35-year old asked:

Please answer! what prescription for 20/40 visual acuity?

2 doctor answers • 5 doctors weighed in

A 49-year old asked:

Can you determine visual acuity by looking at prescription?

1 doctor answer • 1 doctor weighed in

A 37-year old asked:

What causes sensitivity to light changes for visual acuity?

1 doctor answer • 1 doctor weighed in

A 40-year old asked:

Is it necessary to wear glasses if you have distant visual acuity?

2 doctor answers • 3 doctors weighed in

A 37-year old asked:

What does the sphere of my prescription say about my visual acuity?

3 doctor answers • 7 doctors weighed in

A 29-year old asked:

Is there a way to determine my visual acuity from my contact prescription?

3 doctor answers • 5 doctors weighed in

A 47-year old asked:

How is visual acuity preserved in bitemporal hemianopia?

1 doctor answer • 3 doctors weighed in

A 48-year old asked:

Will visual acuity always determine eyeglass prescription?

1 doctor answer • 3 doctors weighed in

A 37-year old asked:

Is there a way to find out your visual acuity without consulting your doctor?

2 doctor answers • 4 doctors weighed in

A 29-year old male asked:

If myopia increases, there is loss of visual acuity or blurriness. What symptoms occur when myopia decreases? Are they the same?

1 doctor answer • 3 doctors weighed in

A 33-year old asked:

How can you calculate visual acuity based on eyeglass prescription?

1 doctor answer • 2 doctors weighed in

A 37-year old asked:

Going to have vision screening next week. What might i expect my visual acuity to be without my glasses?

1 doctor answer • 3 doctors weighed in

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