Text-book of ophthalmology . [Fig. 422.—Blepharostats for Lid Operationso, Jagers horn plate, b, Knapps lid-clamp, c, Desmarres clamp. The plate in a, b and c isinserted beneath the lid thus affording a resisting surface upon which to cut in all operations uponthe lids (operations for trichiasis, entropion, ectropion, ptosis, chalazion, etc.). b and c, which havea ring that can be screwed down upon the lid, also act as clamps holding the lid firmly in place andpreventing haemorrhage during the operation. Smaller clamps used specially for chalazia are madeon the same principle, d Ehrhardts forc
Text-book of ophthalmology . [Fig. 422.—Blepharostats for Lid Operationso, Jagers horn plate, b, Knapps lid-clamp, c, Desmarres clamp. The plate in a, b and c isinserted beneath the lid thus affording a resisting surface upon which to cut in all operations uponthe lids (operations for trichiasis, entropion, ectropion, ptosis, chalazion, etc.). b and c, which havea ring that can be screwed down upon the lid, also act as clamps holding the lid firmly in place andpreventing haemorrhage during the operation. Smaller clamps used specially for chalazia are madeon the same principle, d Ehrhardts forceps for double eversion of upper lid in resecting the tarsus andremoving the accessory lachrymal gland.—D.] by scraping (with a small, sharp spoon, or with a Daviels scoop). Eventhen the tumor does not disappear completely, because its resistant capsuleremains, although this shrinks up after a short time. If the contents ofthe chalazion are not completely removed, it is apt to form again, so that 943 944 TEXT-BOOK OF OPH
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecteye, booksubjectophth
