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Especially Applicable to the Examination of Amblyopic Children

CONRAD BERENS, M.D.

Arch Ophthal. 1949;41(4):460-461.

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

A THREE character test, previously described,¹ was constructed for the purpose of testing the binocular vision of certain amblyopic children and adults who are handicapped by their low visual acuity and for very young children, who readily recognize the simple characters.

The Worth² four dot test and its modification³ were found to be somewhat confusing, particularly for young amblyopic children; for this reason, the test objects were increased in size (at 6 meters 90 meter figures, and at the near point 6 meter objects, were used), since many amblyopic patients can distinguish only the 60 meter letter at 6 meters.

The modified test⁴ consists of a 230 mm. object (the figure of a child which transmits a red light), a 180 mm. object (the elephant which transmits a green light) and a 125 mm. white ball, with a red and a green square in the center, . . . [Full Text PDF of this Article]

Author Affiliations
NEW YORK

From the Department of Ophthalmology, New York University, and the Department of Research, New York Eye and Ear Infirmary.

Footnotes
This study was aided by a grant from the Ophthalmological Foundation, Inc., and the John and Mary R. Markle Foundation.

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