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SAMUEL KAMELLIN, M.D.

Arch Ophthal. 1945;33(6):476-477.

	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 number of papers have been written on the etiology,¹ physiology and pathology of paralysis of divergence, and various treatments have been devised; therefore, there is no need to go into these phases of the subject now.

Divergence and its antagonist, convergence, are essential in the maintenance of fusion. By divergence^1b is meant the ability of the visual axis of both eyes when converged on near objects to separate in order to sight on an object more remote.

The findings in cases of paralysis of divergence are as follows :²

1. There is diplopia in the midplane for distant vision.
   
2. The diplopia is equal in all directions of gaze at the same distance from the subject's eyes.
   
3. The diplopia is eliminated as the eyes converge to near distances, varying from 2 to 10 feet (60 cm. to 3 meters), and then binocular vision is obtained.
   
4. The images are homonymous
   

Author Affiliations
CHICAGO

From the Department of Ophthalmology, Northwestern University Medical School.

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