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Report of 120 Cases

Gerald Fonda, MD

Arch Ophthalmol. 1970;83(3):294-299.

Abstract
Binocular reading additions from + 4.00 D to + 14.00 D were prescribed to 120 patients. Fifty percent of corrections were prescribed for patients with macular degeneration and cataracts, and nearly 25% to patients with heredo-degeneration of the macula. Sixty percent of corrections were prescribed for vision ranging from 20/200 to 20/ 100. Ninety-two percent of corrections were prescribed in the form of bifocals or half-eye glasses. Bifocals make the most inconspicuous optical aid and are indicated when there is a significant distant correction. Half-eye glasses were prescribed for 64%. These are ideal because the lenses can be made small. Bifocal segments must be decentered in 1 mm for each diopter of reading addition for each eye, or 1 of base-in prism must be incorporated for each diopter of reading addition for each eye. Eighty-eight percent were judged successful.

Author Affiliations
Short Hills, NJ

From the Department of Ophthalmology, New York University School of Medicine, New York.

Footnotes
Submitted for publication Sept 2, 1969.

Read before the Section on Ophthalmology at the 118th annual convention of the American Medical Association, New York, July 14, 1969.

Reprint requests to 551 Millburn Ave, Short Hills, NJ 07078 (Dr. Fonda).

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