The Medical and surgical reporter . face from the centre of the clip for holding a small convex orconcave lens is hinged to the frameof the mirror and folds against itsback. Two larger convex lenses oftwo and two and a half inches focallengths, are usually supplied withthis ophthalmoscope, and the wholeis packed in a strong portable case,and all made by Mr. ^olbe of thiscity. In using any of the forms of theophthalmoscope the room shouldbe darkened, and we can only,em-ploy the artificial light a candleproduces too faint an illumination. A steady lamp flame, like that. placing a small
The Medical and surgical reporter . face from the centre of the clip for holding a small convex orconcave lens is hinged to the frameof the mirror and folds against itsback. Two larger convex lenses oftwo and two and a half inches focallengths, are usually supplied withthis ophthalmoscope, and the wholeis packed in a strong portable case,and all made by Mr. ^olbe of thiscity. In using any of the forms of theophthalmoscope the room shouldbe darkened, and we can only,em-ploy the artificial light a candleproduces too faint an illumination. A steady lamp flame, like that. placing a small quantity of the soft extract aroundthe brow the night previous, or placing within theeyelids a few drops of a solution: Atropia sulpliatis, gr. }4—j. Aqure destil. £5. M. M. ft solut. This is to be used a few minutes before the ex-amination. No beginner should attempt to ex-amine the eye even in health, without the use ofthe atropia. It will be well to state to the patientthat after the examination the vision will be im-paired for one or two days ; state that this is notowing to the examination, or use of the ophthalmo-scope, which they are apt to think is the some it produces much disturbance to the pa-tients vision, a solution of opium in the form of thewatery extract, dropped into the eye will soon 3i8 COMMUNICATIONS. [Vol. X. cause contraction, or an opium plaster applied tothe temple will relieve it. From recent and careful experiments of ,* he proves the following facts: that bel-ladonna dilates the pupil by inducing a state ofactive contract
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Keywords: ., bookcentury1800, bookdec, booksubjectmedicine, booksubjectsurgery
