Nonpenetrating glaucoma surgery using the CO2 laser: experimental studies in human cadaver eyes

Ehud I. Assia M.D.; Irina S. Barequet; Mordechai Rosner M.D.; Michael Belkin M.D.

doi:10.1117/12.429277

7 June 2001 Nonpenetrating glaucoma surgery using the CO₂ laser: experimental studies in human cadaver eyes

Ehud I. Assia M.D., Irina S. Barequet, Mordechai Rosner M.D., Michael Belkin M.D.

Proceedings Volume 4245, Ophthalmic Technologies XI; (2001) https://doi.org/10.1117/12.429277
Event: BiOS 2001 The International Symposium on Biomedical Optics, 2001, San Jose, CA, United States

Abstract

Non-penetrating trabeculectomy (NPT) is a potential replacement to conventional trabeculectomy, as it eliminates the necessity of penetrating the eye which is the cause of most of the complications entailed by the latter operation. NPT however, requires considerable surgical skill, is time consuming and entails complications of its own. We have shown that it can be easily performed by using the CO₂ laser to ablate the sclera and corneoscleral tissues to the required depth. The use of the CO₂ laser eliminates the danger of inadvertent perforation, a common complication of NPT as the tissue ablation ceases when the end-point of the operation, the aqueous humor percolation, is reached. Our experiments, performed on animal and human cadaver eyes showed that CO₂ laser NPT rapid is easily mastered and performed rapid and eliminates almost completely the risk of complications.

Citation Download Citation

Ehud I. Assia M.D., Irina S. Barequet, Mordechai Rosner M.D., and Michael Belkin M.D. "Nonpenetrating glaucoma surgery using the CO₂ laser: experimental studies in human cadaver eyes", Proc. SPIE 4245, Ophthalmic Technologies XI, (7 June 2001); https://doi.org/10.1117/12.429277

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