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Estimation of optic disc size using indirect biomicroscopy.

By S Ruben


The use of the 90 dioptre fundus lens in conjunction with slit-lamp biomicroscopy as a method of estimating optic size was evaluated in a series of 37 patients. The measurements taken from the Haag-Streit slit-lamp were compared with values obtained planimetrically in order to assess a conversion factor and also the reliability of the method. This technique is a quick and easy method of obtaining an estimate of optic nerve head size in the clinic, but cannot replace more accurate methods of optic disc planimetry

Topics: Research Article
Year: 1994
DOI identifier: 10.1136/bjo.78.5.363
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Provided by: PubMed Central
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