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Very Large Pupils and Lasik Surgery
What do most lasik surgeons consider very large pupils? I've read the pupil dilates naturally at night from 5-8 mm. Can it get bigger than that? Just really curious. Cant find a real clear answer about this. Would like some input. Thanks
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4 Doctor Answers |
Asked by
firefighter76651
in Italy, Texas
+2
LASIK and Pupil Size
The size of the average pupil is approximately 5mm. In dim or low light the pupil will, typically, enlarge by about 2mm, on average. The use of the femtosecond laser to create the corneal flap, as well as a customized laser to perform the laser correction, has greatly diminished the importance of pupil size. The reason for this is that the modern(2010) laser corrections(LASIK or PRK) have a treatment diameter of approximately 9mm and the surface is so smooth that postoperative glare is...
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+1
Pupil Size And LASIK
Most surgeons feel that larger pupils carry the risk of night symptoms after LASIK, but every good study published shows there is no relation
clearly i have many patients who have night symptoms that are eliminated by alphagan, which prevents pupil dilation, so this proves that it is related in these people
the only logical conclusion is that pupil size is not related to night problems in most people, but is in a minority of people, so on a statistical basis there is no...
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+1
Pupil dilation varies per person
Pupil size can range in every person. A few people can have pupils that dilate bigger than 9 mm, but it is rare.
New York Ophthalmologist
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