Porcine cadaver iris model for iris heating during corneal surgery with a femtosecond laser

Hui Sun; Zhongwei Fan; Jiang Wang; Ying Yan; Tibor Juhasz; Ron Kurtz M.D.

doi:10.1117/12.2072674

5 March 2015 Porcine cadaver iris model for iris heating during corneal surgery with a femtosecond laser

Hui Sun, Zhongwei Fan, Jiang Wang, Ying Yan, Tibor Juhasz, Ron Kurtz M.D.

Proceedings Volume 9321, Optical Interactions with Tissue and Cells XXVI; 93210A (2015) https://doi.org/10.1117/12.2072674
Event: SPIE BiOS, 2015, San Francisco, California, United States

Abstract

Multiple femtosecond lasers have now been cleared for use for ophthalmic surgery, including for creation of corneal flaps in LASIK surgery. Preliminary study indicated that during typical surgical use, laser energy may pass beyond the cornea with potential effects on the iris. As a model for laser exposure of the iris during femtosecond corneal surgery, we simulated the temperature rise in porcine cadaver iris during direct illumination by the femtosecond laser. Additionally, ex-vivo iris heating due to femtosecond laser irradiation was measured with an infrared thermal camera (Fluke corp. Everett, WA) as a validation of the simulation.

Citation Download Citation

Hui Sun, Zhongwei Fan, Jiang Wang, Ying Yan, Tibor Juhasz, and Ron Kurtz M.D. "Porcine cadaver iris model for iris heating during corneal surgery with a femtosecond laser", Proc. SPIE 9321, Optical Interactions with Tissue and Cells XXVI, 93210A (5 March 2015); https://doi.org/10.1117/12.2072674

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