If you are considering LASIK vision correction surgery and you have large pupils, you may have heard that the procedure could possibly increase the risk of certain side effects, such as halos or a glare around lights at night.
Numerous studies over the past decades have examined the effect of pupil size on LASIK outcomes. While the evidence is not conclusive, researchers have discovered some interesting correlations in the size of the surgical ablation zone (the section of the cornea that is reshaped by the laser), the follow-up period, and night vision problems. A summary of what they found:
No Night Vision Problems
- Ablation zone 6.0 mm in diameter or ...