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18 April 2005 Investigation of retinal damage during refractive eye surgery
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Abstract
Ultrashort laser pulses are increasingly used in refractive eye surgery to cut inside transparent corneal tissue. This is exploited by the fs-LASIK procedure which affords the opportunity to correct ametropia without any mechanical effects. The cutting process is caused by the optical breakdown occurring in the laser focus. During this process only a certain amount of the pulse energy is deposited into the tissue. The remaining pulse energy propagates further through the eye and interacts with the retina and the strong absorbing tissue layers behind. Therefore this investigation shall clarify if the intensity of the remaining laser pulse and the resulting temperature field can damage the retina and the surrounding tissue. Threshold values of the retinal tissue and theoretical calculations of the temperature field will be presented.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Silvia Schumacher, Meike Sander, Carola Döpke, Andrea Gröne, Wolfgang Ertmer, and Holger Lubatschowski "Investigation of retinal damage during refractive eye surgery", Proc. SPIE 5688, Ophthalmic Technologies XV, (18 April 2005); https://doi.org/10.1117/12.588938
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