Abstract
A heterocentric arrangement of optical radii in surgical contact lenses and the extremely eccentric mirror placement which this makes possible guarantee a wide field angle for the observer and the therapeutic laser beam, and thus represent an optimized optical system with minimal optical aberration. The monobloc glass lens systems were developed in cooperation with Dr. Schirmer specifically for glaucoma surgery in the anterior chamber angle. A mirrored chamber angle contact lens and an iridotomy lens for use in argon laser trabeculoplasty, YAG laser iridotomy, YAG laser capsulotomy, and YAG goniosynechiectomy are designed to facilitate therapy with greatly reduced laser energy and optimized image conditions. The lenses have been evaluated, with positive results, at university eye hospitals in Montreal (Dr. Schirmer), Tübingen (Dr. Jean), Berlin (Dr. Seiler), and Munich (Dr. Fabian).
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