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Article
July 1952

RETROLENTAL FIBROPLASIAThe Negative Role of Light, Mydriatrics, and the Ophthalmoscopic Examination in Its Etiology

Author Affiliations

MONTREAL, CANADA; NEW YORK
From the Institute of Ophthalmology of the Presbyterian Hospital, New York.

AMA Arch Ophthalmol. 1952;48(1):44-47. doi:10.1001/archopht.1952.00920010047006
Abstract

OPINION today is divided as to whether the increased frequency of retrolental fibroplasia is due solely to an increase in the number of surviving small premature babies, or whether unknown factors in the babies' external environment are also implicated.

The possibility that frequent ophthalmoscopic examinations of the babies' eyes during the early weeks of life might be responsible has been suggested. The two most likely factors here are (1) exposure of the eyes to the ophthalmoscope light and (2) the action of the mydriatic drops.

The basic pathological change in beginning retrolental fibroplasia is an abnormal proliferation of retinal capillaries.1 When light strikes the retina, complex biochemical changes occur, and its metabolism is altered. It is not inconceivable that such changes in the chemical environment of the developing retinal capillaries may act as a stimulus to their abnormal growth.

Premature exposure of the eyes to light was considered by

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