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Liquid nitrogen cryotherapy of advancing wavelike epitheliopathy
1The Casey Eye Institute, Oregon Health & Science University, Portland, Oregon, USA. eyedrug@ohsu.edu
Purpose:
To describe a method for treating advancing wavelike epitheliopathy (AWE) with liquid nitrogen cryotherapy spray.
Methods:
A Brymill liquid nitrogen cryotherapy canister with a "D" tip was used to freeze AWE in 5 cases in 4 patients. Freezing time was approximately 1-2 seconds and was performed twice. The affected limbus and corneal epithelium were treated in this manner.
Results:
In each case, AWE resolved within 2 weeks, with no recurrence at 1 year.
Conclusion:
Liquid nitrogen cryotherapy is a safe and effective treatment of advancing wavelike epithelopathy.
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