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What is an astigmatism test?
astigmatism dial or radial chart
What does is astigmatism?
uneven curvature of the lens and/or cornea of the eye
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
what is a blind spot?
where the optic nerve has no receptors
