My series of cases included the following : phlyctenular keratitis, ten ; serpiginous ulcer, six; vernal catarrh, six; herpes (febrile), six; zoster, two; catarrhal ulcer, four ; superficial marginal keratitis, three ; interstitial keratitis, ten, and ulcerative blepharitis, three.
The apparatus used was a small Birch-Hirschfeld Radiation Lamp, made by Zeiss. As the picture shows, it consists of a micro-arc lamp, which is the source of ultraviolet radiations and is mounted on an adjustable stand, a rheostat for use with alternating current, a filter, which transmits rays ranging from 450 to 280 microns, a quartz cell filled with copper sulphate solution for the interception of the heat rays, and at the end of the lamp bar a movable converging lens of quartz.
This ultraviolet irradiation has a twofold effect: (1) It is bactericidal, and (2) it has an accelerative influence on the reparative process. The application of the treatment is intensified by the
Spero GD. CORNEAL LESIONS: Treatment with Ultraviolet Radiation; a Report of Fifty Cases. Arch Ophthalmol. 1932;7(6):930–933. doi:10.1001/archopht.1932.00820130114011
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