How common is iris bleeding following laser peripheral iridotomy (LPI) and how is it treated?

Updated: Jun 15, 2020
  • Author: Frank X Cao, MD; Chief Editor: C Stephen Foster, MD, FACS, FACR, FAAO, FARVO  more...
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Because the Nd:YAG laser is a photodisruptive device, bleeding is common with its use, occurring in as many as 50% of patients. [11, 14] However, iris bleeding is uncommon with the use of the argon laser, which causes photocoagulation. Usually, iris bleeding can be controlled by applying pressure on the globe with the contact lens. In severe cases, the iris bleeding can lead to hyphema. [15]

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