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In couching of cataracts, as depicted by George Bartisch in 1583.
Notes: The needle appears to be placed on the eye about halfway between the limbus and the lateral canthus, and then passes posterior to the iris. Copyright © 1995. JP Wayenborgh. Reproduced from Bartisch G, Blanchard DL (translator). Ophthalmodouleia. That is the Service of the Eyes. Ostend, Belgium: JP Wayenborgh; 1995:7–63.74
