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Louis C. Ravin, M.D.

Arch Ophthal. 1940;23(4):839-840.

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

In taking central fields with a Bjerrum screen it has seemed desirable to use a chin rest. This not only makes the patient more comfortable but insures better fixation of the central fixation target.

The use of an ophthalmic instrument table with a clamped-on chin rest, such as can be purchased from a manufacturer of optical instruments, has proved to be satisfactory. It was my desire, however, to make a less bulky and less expensive chin rest for use in the office. Practically any floor lamp stand with a thumbscrew adjustment, as illustrated here, may be used. The flexible tubing with the lighting fixture is removed. The movable tubular shaft may be replaced with an iron bar, as I have done, or it may be used as it is. The chin rest piece 1 is then attached to the rod shaft by grinding the shaft down at one end to . . . [Full Text PDF of this Article]

Author Affiliations
Toledo, Ohio

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