Invention Grant
US06899707B2 Applanation lens and method for ophthalmic surgical applications 有权
用于眼科外科应用的矫形镜片和方法

Applanation lens and method for ophthalmic surgical applications
Abstract:
An improved applanation lens and method for use in an interface between a patient's eye and a surgical laser system does not discolor or lose light transmittance when subjected to gamma radiation. The improved applanation lens has an applanation surface configured to contact the eye upon application of a pressure. The lens is formed of high purity silicon dioxide (SiO2) with purity great enough to resist discoloration upon prolonged irradiation by high-energy radiation such as UV, x-rays, gamma rays or neutrons, and is preferably a fused silica.
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