The American encyclopedia and dictionary of ophthalmology Edited by Casey A Wood, assisted by a large staff of collaborators . nt, aqueous solu-tion of chloretone (q. v.) or acetone-chloroform (CH3)2 ,which has been recommended as a substitute for cocain. It is muchless anesthetic than a 5 per cent, cocain hydrochloride solution,but is non-toxic and not irritating to the ocular structures. Aneson. See Anesin. Anestesia. (It.) Anesthesia. ANESTHESIA 421 Anesthesia (general) by inhalation. See Anesthesia in ophthalmicsurgery. Anesthesia (general) by scopolamine-morphia injections. See A
The American encyclopedia and dictionary of ophthalmology Edited by Casey A Wood, assisted by a large staff of collaborators . nt, aqueous solu-tion of chloretone (q. v.) or acetone-chloroform (CH3)2 ,which has been recommended as a substitute for cocain. It is muchless anesthetic than a 5 per cent, cocain hydrochloride solution,but is non-toxic and not irritating to the ocular structures. Aneson. See Anesin. Anestesia. (It.) Anesthesia. ANESTHESIA 421 Anesthesia (general) by inhalation. See Anesthesia in ophthalmicsurgery. Anesthesia (general) by scopolamine-morphia injections. See Anes-thesia in ophthalmic surgery. Anesthesia, Infiltration. Schleiciis local anesthesla. method. Seealso. Anesthesia in ophthalmic surgery. Anesthesia in ophthalmic surgery. The problem of anesthesia forophthalmic operations is in many respects totally different fromthat of anesthesia for all other surgical procedures. The disagree-able and, at times, formidable after-effects of general anesthetics(such as retching, vomiting and straining) would seem too wellknown to need more than mention. Nevertheless they are the very. Four-bottle Junker Vaporizer as Modified. phases of general anesthesia that make the ophthalmic surgeon longfor the day when all of his operations may be done under localanesthesia. But it is when we stop to consider the relation of pa-tient and surgeon in the intraocular operations done under localanesthesia, that the difference from general surgery becomes mostapparent. The psychic state of the patient under these circum-stances is the factor generally overlooked. Imagine a patient withcataract who is not only conscious but keyed to the highest point ofanxiety as to the outcome. Naturally the blood pressure is corre-spondingly increased anywhere from 10 to 20 mm. of mercury, whichof itself predisposes to complications and difficulties in the per-formance of an operation. The problem is not only to negotiate theoperation successfully, but at the same time to
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