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October 1968

Trephine Incision for Cataract Surgery

Author Affiliations

Santa Ana, Calif
From St. Joseph Hospital and Orange County Medical Center, Orange, Calif.

Arch Ophthalmol. 1968;80(4):492-493. doi:10.1001/archopht.1968.00980050494016

The FOLLOWING method of cataract incision has helped avoid the postoperative shallow chambers I was getting occasionally with the limbal incision and the limbal conjunctival flap. In 150 eyes, some observed for as long as six years, there has been no iris prolapse and no hyphemia, and the postoperative astigmatism has been less. The patients have been routinely discharged from the hospital the morning following the day of surgery.

The incision is made just inside the vascular loops of the cornea with a half trephine consisting of a razor band inserted in an aluminum handle. Due to the extreme sharpness of the blade, the incision can almost be punched (Fig, A). With a corneal dissector, a corneal flap is made toward the limbus (Fig, B). Three preplaced 7-0 silk sutures are inserted, and a knife incision is completed with fine corneal scissors under the corneal flap (Fig, C). After performing

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