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December 1980

A Technique for Comparing Past Fundus Photographs With Present Fundus Condition

Author Affiliations

San Francisco

Arch Ophthalmol. 1980;98(12):2244. doi:10.1001/archopht.1980.01020041096024

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To the Editor.  —I would like to suggest a technique that provides a simple and immediate comparison between a patient's previous fundus findings and his current fundus condition.The traditional method of comparing current fundus findings with previous fundus photographs involves examining the fundus with the indirect ophthalmoscope and the room lights off. The examiner must turn the room lights on, take off the indirect ophthalmoscope, and examine color transparent slides from previous examinations with the room lights on. The physician must remember the image he has seen through the indirect ophthalmoscope while transferring his attention to the photographic image, or the physician can put the slides on a view box and look back and forth from the fundus view with the indirect ophthalmoscope to the view box to determine if fundus changes have occurred with time.A better technique makes use of the red-free black-and-white fundus photographs on the

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