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KENNETH C. SWAN, M.D.; RUTH E. WAHLGREN

AMA Arch Ophthalmol. 1957;57(6):842-845.

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

It long has been known that when some strabismus patients are wearing anaglyphic glasses, such as a red filter before one eye and a green filter before the other, they observe part of a white screen to appear red and other parts green. It is our purpose to describe anaglyphic phenomena noted by patients with various types of anomalous correspondence. These phenomena can be applied to the diagnosis of this anomaly. Also, their occurrence throws some light on the nature of binocular vision in strabismus.

The anaglyphic phenomena are elicited best when the patient looks at a brightly lighted unmarked white screen while wearing red and green filters. The filters must be so balanced that the light stimulus is of nearly equal intensity to the two eyes. It generally is best to have the patient standing 3 to 4 ft. from the screen; at this distance a screen 1 meter . . . [Full Text PDF of this Article]

Author Affiliations
Portland, Ore.

From the Department of Ophthalmology, the University of Oregon Medical School. Orthoptic Technician (Miss Wahlgren).

Footnotes
Received for publication Nov. 19, 1956.

Part of a study being conducted under a grant from the Oregon State Elks Association.

This applies only if the screen is farther from the patient than the point of crossing of his visual axes.

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