Manual of ophthalmic surgery and medicine / by Walter H. H. Jessop.

  • Jessop, Walter H.
Date:
1898
Catalogue details

Licence: Public Domain Mark

Credit: Manual of ophthalmic surgery and medicine / by Walter H. H. Jessop. Source: Wellcome Collection.

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    in front and to the left of the patient, and hold his knife in the right hand. Assistants.—The operator should have at least one assistant to hand him the instruments, and, if necessary, to steady the eye by means of the fixation forceps. Both operator and assistants should scrub their hands and nails with soap. The 3-millimetre flap operation with iri- dectomy. {Bight e^/e.)—The instruments required are speculum (fig. 23), fixation forceps (fig. 19), knife (Graefe's) (fig. 57), iris forceps (fig. 34), iridectomy scissors (fig. 35),cysto- tome (fig. 58), curette (fig. 25), and spatula. Corneal section.— The operator, having introduced the wire speculum, fixes the conjunctiva about 2 mm. below the cornea with the fixation for- ceps held in the left hand as shown in fig. 59, and by this means keeps the eye steady. Taking the knife lightly between the thumb and first two fingers of the right hand, he passes it through the outer part of the cornea at a point situated just within its margin and at a distance of 3 millimetres from the highest point of the cornea. He then directs the knife across the anterior chamber in front of the iris to a point within the periphery of the cornea, on the nasal side, exactly Fig. 57.—Geaefe's Knife. Fig. 58.—Ctsto- TOME.