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Assistant Independent Self-retaining Truncated Gonioscopy Contact Lens for Minimally Invasive Glaucoma Surgery

Chalam, Kakarla V. MD, PhD; Ng, Caleb MD

doi: 10.1097/IJG.0000000000001246
Online Articles: Brief Report

A new assistant independent self-retaining surgical goniolens provide panoramic view of angle during ocular surgery by means of new optical system that consists of 2 fused elements. First element comprises of a concave lens that mirror corneal curvature with 3 stabilizing feet for retention and stability on corneal surface during surgery. Second element comprise of a fused biconvex lens with prism that direct images of the angle through prism into surgical microscope. This surgical lens can be used for visualization of angle during all glaucoma procedures and especially helpful for performing minimally invasive glaucoma surgery.

Department of Ophthalmology, Loma Linda University School of Medicine, Loma Linda, CA

Disclosure: The authors declare no conflict of interest.

Reprints: Kakarla V. Chalam, MD, PhD, Department of Ophthalmology, Loma Linda University School of Medicine, 11370 Anderson Street, Ste 2025, Loma Linda, CA 11370 (e-mail:

Received January 23, 2019

Accepted February 26, 2019

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