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laser iridotomy (medicine)


laser iridotomy
<procedure> Peripheral iridectomy as performed by laser.This is a refinement of the surgical technique devised in 1858 by von Graefe. In acute glaucoma the aqueous humor cannot flow freely around the lens and through the pupil to be absorbed in the angle of the anterior chamber. Laser peripheral iridectomy corrects this problem by producing a small hole in the iris to permit aqueous flow. The procedure takes only a few seconds and employs a laser attached to a slit lamp.