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Role of pupil dilation in measuring the power of eye glasses
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Role of pupil dilation in measuring the power of eye glasses

If the doctor does not dilate my pupils, is his measurement of the power of my eyeglasses likely to be incorrect?


This discussion is related to Dilate - Test?.
Tags: pupil dilation, eyesight measure
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No in most cases.  This is important if you have headache or loss of accommodation.  Important in hyperopia.

Dr. O.

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Thanks for clarifying!
I did notice clarity/sharpness reducing for objects/text close to my eyes whenever I use my eyeglasses. When I remove my eyeglasses, clarity/sharpness of close objects is fine.
I have been short sighted and using eyeglasses (with minus power for distance vision) for over 20 years.
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