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Article
March 1933

LIGHTING WITHOUT GLARE: A FURTHER CONTRIBUTION

Author Affiliations

BALTIMORE
From the Research Laboratory of Physiological Optics, Wilmer Ophthalmological Institute, Johns Hopkins Medical School.

Arch Ophthalmol. 1933;9(3):344-352. doi:10.1001/archopht.1933.00830010360003
Abstract

It is our purpose in this paper to describe a lighting unit which was designed by us some years ago but which has not yet been described in print. In former papers1 we have called attention to the need of new types of lighting units, designed to protect the eye from the excessive glare that has been produced by the use of higher intensities of light. The older types of unit were devised for lights of moderate and low intensities and were scarcely adequate for the protection of the eye from glare even for lights of these intensities. The sharp increase of intensity which has been introduced in lighting practice within the last ten to fifteen years has raised again acutely the problem of fixture designing. In our work in connection with the National Research Council's Committee on Industrial Lighting we became impressed with the need of approaching

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