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James Gwynne Fowler, M.D.

Arch Ophthal. 1934;12(6):910-912.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Only a few hospitals have high grade equipment for perimetry, and the ophthalmologist may find such an examination desperately needed in some hospitals or occasionally in the home. He may use a small portable perimeter, many of which have been constructed. Some are simple and ingenious, but none that I could find provided a full-sized instrument such as is ordinarily used. More than once I have felt the inadequacy of the portable instruments and wished that I might have my office perimeter at hand.

Accordingly, I had constructed a full-sized, illuminated perimeter, with a radius of 33 cm., which will fold up into a suitcase 27 inches (68.6 cm.) in length. The instrument alone weighs 10 pounds (4.75 Kg.). The arc can be removed quickly from the frame by loosening a hand bolt. The chin-rest screws onto the frame. Three thumb screws hold the frame rigid. Set up, it is . . . [Full Text PDF of this Article]

Author Affiliations
Buffalo

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