LASIK Q&A
82%
WORTH IT RATING
"Worth It Rating" shows the % of consumer reviewers that stated the procedure was "Worth It" or not. See more RealSelf Worth It Ratings or Add Your Review
146 Reviews
LASIKbefore & after photos
View Before and Afters

Average LASIK Cost: $3,241

Learn about LASIK

348 people and 41 doctors are talking about LASIK

Get Free Email Updates

Very Large Pupils and Lasik Surgery

asked 1 year ago by firefighter76651 in Italy, Texas
Latest answer by Christopher Coad, MD
Question viewed 559 times
Tags: eyes, pupil

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

3 answers to Very Large Pupils and Lasik Surgery

+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... more
Anthony J. Kameen, MD

Baltimore Ophthalmologist

www.kameen.com

+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.
Christopher Coad, MD

New York Ophthalmologist

www.lasikdoctornyc.com

+1

Pupil size, night vision and LASIK

Everyone has a different pupil size, and yes of course its larger at night. Basic physics dictates that larger pupils, with our without LASIK, have worse vision than smaller pupils. the question is whether LASIK makes this worse. The short answer is you dont know in advance. Every eye is different; different prescription, different pupil size, different curvature, etc. what we do know is that with current technology, there is no direct relationship between pupil... more
Mark H. Blecher, MD

Philadelphia Ophthalmologist

Ask a question