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J Cataract Refract Surg. 2011 Oct;37(10):1748-50. doi: 10.1016/j.jcrs.2011.08.001.

Maddox rod effect to confirm the visual significance of laser in situ keratomileusis flap striae.

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  • 1Harvard Medical School, Boston, Massachusetts, USA.


Laser in situ keratomileusis (LASIK) flap striae can act as a Maddox rod, producing streaks of light perpendicular to the orientation of the striae. This phenomenon can be used in the diagnostic and surgical decision-making process after LASIK. We correlated persistent complaints of starburst by a patient to the presence of LASIK flap striae in both eyes. The more severe striae were subsequently treated with phototherapeutic keratectomy, with complete resolution of symptoms. The LASIK flap striae-induced Maddox rod effect can be used as a simple and useful method with high diagnostic and therapeutic value.


Neither author has a financial or proprietary interest in any material or method mentioned.

Copyright © 2011. Published by Elsevier Inc.

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