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December 1980

Suture Cutting With a Laser

Arch Ophthalmol. 1980;98(12):2245-2246. doi:10.1001/archopht.1980.01020041097027

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To the Editor.  —I would like to share this experience with your readers. A 71-year-old patient who had an intraocular lens in the right eye four years ago had progressive but painless loss of vision of one month's duration. On examination, his visual acuity was 20/200. The left eye had a corneal transplant, and the visual acuity was never better than 20/400. The right eye was mildly hyperemic. There was marked corneal edema in the upper nasal quadrant. The anterior chamber was deep and clear. A loose 10-0 nylon suture was sticking out of the intraocular lens and touching the endothelium, resulting in the corneal edema.Before attempting to cut the suture with an argon laser beam, I tried it on a sample suture. It was cut very easily using a (300 mW, 100μm) couple of pulses. However, when the suture was immersed in normal saline solution in a

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