Cases illustrating various types of scotoma in the visual field : portion of a lecture on "The visual field as a factor in diagnosis" delvered before the J. M. Da Costa Medical Society of the Jefferson Medical College / by G. E. de Schweinitz.

  • George Edmund de Schweinitz
Date:
1909
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Licence: In copyright

Credit: Cases illustrating various types of scotoma in the visual field : portion of a lecture on "The visual field as a factor in diagnosis" delvered before the J. M. Da Costa Medical Society of the Jefferson Medical College / by G. E. de Schweinitz. Source: Wellcome Collection.

Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)

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    His vision, with + 1.25 c, axis V = f, T + 2; there was a faint haze in the cornea, which was anjjesthetic; the anterior chamber was about normal in depth, the iris not atrophic, the pupillary reflex was prompt, and the ophthalmoscope revealed an oval, greenish optic disk cupped to the periphery, the bottom of the cup being — 4 D, sur- FlG. 1. Diagram of the field of vision of Case I., illustrating concentric restriction, marked nasal contraction, and a crescent-shaped scotoma. Fig. 2. Fio. 3. Diagram of the field of vision of Case I., Diagram of the field of vision of after nine months' use of eserine. Compare eleven days after iridectomy, ■with Fig. 1. rounded by a narrow halo, except down and in, where there was a faint pigment line with a crescent of choroiditis beyond it. The retinal vessels, both veins and arteries, pulsated strongly. The field of vision is represented in Fig. 1. Iridectomy was ad-
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