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Article
July 1969

A Portable Power Supply for Indirect Ophthalmoscopy

Author Affiliations

Los Angeles
From the Department of Ophthalmology, Jules Stein Eye Institute, UCLA School of Medicine, Los Angeles.

Arch Ophthalmol. 1969;82(1):79-81. doi:10.1001/archopht.1969.00990020081018
Abstract

A PORTABLE power supply for the indirect ophthalmoscope has been developed for use in the surgical suite of the Jules Stein Eye Institute. The device is also useful for office and clinic examinations and for postoperative hospital dressing rounds.

Essential components of the system are a rechargeable power cell and a charger. The power cell is a lightweight (1.5 lb) cylinder that measures 12% × 1% inches (Fig 1). When in use, the device is slipped into a cloth carrier and, for hospital rounds, attached to the front of the ophthalmologist's coat (Fig 2). During surgical procedures, the carrier and power cell are pinned to the back of the surgeon's sterile gown (Fig 3). The receptacle of the power cell will receive the plug from the short cord of the binocular indirect ophthalmoscope.1 No adapter is necessary unless another type of ophthalmoscope is used. The headpiece may be easily

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