A description of the human eye, and its adjacent parts; together with their principal diseases, and the methods proposed for relieving them / By Joseph Warner.

Joseph Warner

Date:: 1773

Credit: A description of the human eye, and its adjacent parts; together with their principal diseases, and the methods proposed for relieving them / By Joseph Warner. Source: Wellcome Collection.

126/142 page 106

$[ ] REMARK. * * \ * • » # * f IN the two different operations of Couching and of extracting the CataraCt, it may be proper to obferve, that different parts of the globe of the eye fuffer from the different in- firuments that are ufed upon thefe occafions. In the firft mode of operating, the couch- ing-needle is paffed through all the coats which are concerned in compofing the ex¬ ternal, as well as the internal parts of the globe of the eye, except the Cornea and the Iris; to wit, the Tunica Conjunctiva, the Tunica Albuginea, the Tunica Sclerotica, the Tunica Choro’ides, and the' Tunica Re¬ tina. From wounding the Tunica Retina, it is probable, thofe temporary retchings to vomit, and fevere pains in the eye and forehead arife ; which are fometimes known to fucceed this operation. In the fecond method of operating (for the extraction of the CataraCt) the external parts of the eyes' that fuffer are, the Tunica Cor¬ nea, together with the thin covering which this coat receives from the expanfion of the Tunica GonjunCtiva. The$