Does the location of a laser peripheral iridotomy (LPI) affect dysphotopsia symptoms?

A new study asks the question:  Is a superior LPI better than a nasal/temp LPI in preventing dysphotopsias?
The short answer?  No.

The study details: Over 500 patients with angle closure glaucoma or suspected angle closure underwent LPI’s.  Half of them had superior LPI’s and the other half had nasal/temp placed LPI’s.  The study found no difference in post-op dysphotopsia symptoms.

One interesting finding:  Angle closure glaucoma patients were nearly 3 times more likely to report new post-LPI dysphotopsias compared to suspected angle closure patients.

Jaclyn Garlich
Dr. Garlich graduated from the New England College of Optometry in 2010 and completed a residency in primary care and ocular disease at the St. Louis VA. In 2013, she developed an optometry clinical reference mobile app available in the iTunes store. In 2016, she founded 20/20 Glance, a weekly optometry newsletter that gives a rundown on clinically relevant optometry news in an easy to digest format.

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