Astigmatism + Blind spot

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4 Terms

1
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What is an astigmatism test?

astigmatism dial or radial chart

2
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What does is astigmatism?

uneven curvature of the lens and/or cornea of the eye

3
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What is a blind spot test?

patient looks at a central point while a small dot is moved from the side of the point. When the small dot disappears the patient’s blind spot is revealed

4
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what is a blind spot?

where the optic nerve has no receptors