A system of electrotherapeutics as taught by the International correspondence schools, Scranton, . Fig. 34 Vertical Microscopic Section Through a Corneal Ulcei ulcer; e is the surface epithelium, blamina, p the posterior elastic lamina is the of the cautery-tips most commonlyemployed in opera-tions on the corneaare shown in Fig. glance at Fig. 34will show what isnecessary to be ac-complished. Thisrepresents a micro-scopic section of acornea through anthe anterior elasticThe floor of the §18 THE EYE. EAR, NOSE, AND THROAT 37 ulcer is seen crowded with pus-cells and
A system of electrotherapeutics as taught by the International correspondence schools, Scranton, . Fig. 34 Vertical Microscopic Section Through a Corneal Ulcei ulcer; e is the surface epithelium, blamina, p the posterior elastic lamina is the of the cautery-tips most commonlyemployed in opera-tions on the corneaare shown in Fig. glance at Fig. 34will show what isnecessary to be ac-complished. Thisrepresents a micro-scopic section of acornea through anthe anterior elasticThe floor of the §18 THE EYE. EAR, NOSE, AND THROAT 37 ulcer is seen crowded with pus-cells and leucocytes. Thecautery must clear up this floor and throw off any overhangingedges. See that the electrocautery-apparatus is working operator will be guided in the selection of a tip by therequirements of the case. Regulate the current so that the tipis brought to a white heat instantly, if possible. If there bedifficulty in ascertaining just how much tissue must be seared,apply to the eye a solution of fluorescin. This will stain allaffected parts. The eye should be thoroughly cocainize
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