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Article
October 1979

Interferometric Visual Acuity Testing in Anterior Segment Disease

Author Affiliations

From the Department of Ophthalmology and Center for Sensory Studies, University of Florida College of Medicine, Gainesville. Dr Bedell is now with the School of Optometry, University of California, Berkeley, and Dr Kaufman is now with the Department of Ophthalmology, Louisiana State University Medical Center, New Orleans.

Arch Ophthalmol. 1979;97(10):1916-1919. doi:10.1001/archopht.1979.01020020364017
Abstract

• Preoperative and postoperative visual acuities for Landolt ring targets and for a grating target of comparable retinal illuminance produced by two-beam interference were assessed in patients with anterior segment disease. Good preoperative interferometric acuities (6/12 or better) were found in over half of the cases in which Landolt acuities were 6/90 or worse. In general, good preoperative interferometric acuities were predictive of good postoperative Landolt acuities. However, poor interferometric acuities in patients with opacified media did not preclude good Landolt acuities postoperatively. We conclude that interferometric acuity testing can provide valuable information about potential macular resolution capacity in some cases. Both the strengths and weaknesses of interferometric acuity testing must be appreciated for successful application.

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