File:Atlas and epitome of operative ophthalmology (1905) (14782609305).jpg

Identifier: atlasepitomeofop00haab (find matches)
Title: Atlas and epitome of operative ophthalmology
Year: 1905 (1900s)
Authors: Haab, O. (Otto), b. 1850 De Schweinitz, G. E. (George Edmund), 1858-1938
Subjects: Ophthalmologic Surgical Procedures
Publisher: Philadelphia, New York (etc.) : W.B. Saunders and company
Contributing Library: University of California Libraries
Digitizing Sponsor: Internet Archive

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fluid of any kind accidentallygets into the other eye during the operation. All that isnecessary, as a rule, is to instil 5 drops of a freshly boiled3 per cent, solution of cocain at intervals of three minutes,(or 3 drops of a 4 per cent, solution of cocain at intervalsof five minutes. Some operators prefer a 1 per cent, solu-tion of holocain.—Ed.) In the case of patients with littleself-control, and in cases in which, owing to marked my-opia, for example, prolapse of the vitreous is to be feared,it is well to instil a drop of a 3 to 5 per cent, solution ofcocain every three minutes for one-half hour. To pre-vent the cornea from getting dull and opaque, the eyCiscovered with wet cotton while the cocain is being instilled.(The editor prefers not to make such frequent instilla-tions of cocain ; in spite of all precautions they tend tocause opacity of the corneal epithelium, and encouragesubsequent collapse of the cornea.—Ed.) 5. All the attendants whose fingers come in contact with
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129 130 OPERATIONS ON THE EYE. the operative field should disinfect their hands with soap,hot water, a sterilized brush, 60 per cent, alcohol, and,finally, bichlorid of mercury and trichlorid of iodin inthe strength of 1 : 1000. As, however, it is not alwayspossible to be quite certain that the hands are sterile, it isalways best to adopt the rule not to touch the operativefield with the fingers, but only with sterile instruments,and not only during and after the operation but also be-fore the operation, while cleansing the parts in the mannernow to be described. 6. The next step is the cleansing of the operative field : (a) All the external skin covering the forehead, cheek,and nose, as far as the edges of the lids, to be washedfirst with the tincture of soap and hot water, then withalcohol, and finally with a 1 : 1000 solution of bichloridof mercury, the cleansing with all these materials beingdone with cotton pledgets. The preliminary softening ofthe skin by the wet bandage materia

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