Appearance of the Chamber Angle after Sclerocorneal Tunnel Incision

APPEARANCE OF THE CHAMBER ANGLE AFTER SCLEROCORNEAL TUNNEL INCISION The sclerocorneal tunnel (also called scleral tunnel, scleral pocket) incision to reduce astigmatism was first described in 1982.1 The incisjon was shown to eliminate surgically induced as tigrnatism, 2 which has been corroborated by several other ophthalmic surgeons. 3 What has not been shown previously is that the sclerocorneal tunnel incision results in an almost normal superior chamber angle (Figure 1), whereas limbal

Fig. 1.

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(Girard) Sclerocorneal tunnel incision results in an almost normal superior chamber angle.

sections often result in anterior synechias. The incision as viewed with the gonio prism shows only a fine line (see arrow) anterior to the angle meshwork, which appears to be completely undisturbed. Louis J. Girard, M. D. Mae E. Wesson, M.D., Aleksandra Veselinovic, M.D. Houston, Texas

Akef Maghraby, M.D.

Jeddah, Saudi Arabia

This section is an open forum and consists of the opinions and personal commentary of the writers . The views expressed are exclusively those of the writers and do not purport to reflect those of AlDIS or the Journal.

REFERENCES 1. Girard LJ, Hofmann RF: Scleral tunnel to prevent induced astigmatism . In:Emery J, ed : Current Concepts in Cataract Surgery. Proceedings of the Eighth Biennial Cataract Surgical Congress. Appleton-Century-Crofts, Norwalk, Conn, 1984, pp 101-102 2. Girard LJ, Rodriguez J , Mailman ML: Reducing surgically induced astigmatism by using a scleral tunnel. Am J Ophthalmol 97:450-456, 1984 3. Masket S: Nonkeratome tric control of postoperative astigmatism. Am Intra-Ocular Implant Soc J 11:134-137, 1985

SAFE AND EFFICACIOUS? It's Star Wars in the flesh. Nothing in recent memory has taken medicine with so near the speed of light as the YAG capsulotomy. Misnomers and misinformation have run rampant. 592

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11, NOVEMBER 1985