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Article
August 1978

Combining of Fluorescent and Incandescent Lighting for Ophthalmologic Examination Rooms

Author Affiliations

Soquel, Calif

Arch Ophthalmol. 1978;96(8):1465. doi:10.1001/archopht.1978.03910060199021

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Abstract

To the Editor.  —A simple, effective, but inexpensive lighting system can be installed in any office, old or new.Most ophthalmologists prefer bright, good lighting for almost all work except refractions, where most of us prefer very dim lighting. To complicate matters, the lighting level required will vary with the time of day and circumstances; one is going to need considerably more light for 15 minutes after he comes in from bright noonday sun than one will for the last patient of the day.Other considerations are effectiveness, cost, and heat. Incandescent lighting uses about twice as much power as fluorescent lighting and creates considerably more heat, which may be undesirable. Incandescent lights, however, are easily controlled by rheostat. Fluorescent lighting is much more economical in power consumption and is cooler, but is difficult (almost impractical) to control by rheostat.The point of this note is that one can have

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