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757137 tn?1347196453

Small Pupils/Large Pupils

In terms of vision, what is the difference between having small pupils and large pupils? Are there advantages or disadvantages with either? Do the small pupil people and the large pupil people see things differently?
Best Answer
711220 tn?1251891127
MEDICAL PROFESSIONAL
Smaller pupils result in better vision especially in patients with a refractive error.  That is why patients squint.  The optic are more complicated than this.  See a book on optics.

Dr. O.
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757137 tn?1347196453
Thanks. I have small pupils and an optometrist once commented that that was good, but I never asked him why.
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