Journal article

TRANSCONJUNCTIVAL SINUSOTOMY USING THE 193-NM EXCIMER-LASER

M CAMPOS, PP LEE, SL TROKEL, HR TAYLOR, PJ MCDONNELL

ACTA OPHTHALMOLOGICA | ARHUS UNIV HOSPITAL | Published : 1994

Abstract

Successful surgical management of glaucoma is limited as a consequence of undesired fibroblastic response of episcleral tissues. In 10 rabbit and three human eye bank eyes, we have performed a modified sinusotomy procedure using the 193-nm excimer laser. The technique is minimally invasive. Conjunctiva is pulled over the corneoscleral limbus, and a slit-shaped (1 x 2 mm) excimer beam ablates through conjunctiva and external sclera until penetrating the outer wall of Schlemm's canal, at which time brisk egress of fluid is noted. The conjunctiva is allowed to retract, and a conjunctival bleb is formed. A single suture is used to close the conjunctival defect. Intraocular pressure in the rabbit..

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