Functional Visual Acuity in Stevens-Johnson Syndrome

Minako Kaido, Murat Dogru, Masakazu Yamada, Chie Sotozono, Shigeru Kinoshita, Jun Shimazaki, Kazuo Tsubota

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Abstract

Purpose: To evaluate the correlation of functional visual acuity (FVA) measurement with ocular surface findings in patients with Stevens-Johnson syndrome (SJS). Design: Prospective comparative study. Methods: Sixty-nine eyes of 38 patients with chronic SJS assessed at the Tokyo Dental College, Tokyo Medical Center, and the Kyoto Prefectural University of Medicine, Department of Ophthalmology, Kyoto, Japan, were studied. Twenty eyes of 10 normal subjects and 40 eyes of 20 patients with Sjögren syndrome (SS) were also studied. Conventional Landolt visual acuity (VA) and FVA examinations and slit-lamp examinations were performed. FVA was measured continuously by the FVA measurement system during a 30-second blink-free period in one eye. The visual maintenance ratio (VMR) was calculated as follows: VMR = [(2.7 - FVA)/(2.7 - baseline VA)], where logarithm of minimal angle of resolution values of FVA were entered into the formula and 2.7 represented the lowest visual acuity in this series. Slit-lamp examinations, Schirmer test, and fluorescein vital stainings were also performed in all subjects. Results: VMR was markedly lower in patients with SJS compared with patients with SS and controls. FVA values showed a relation with the presence of corneal opacity and vascularization. Conclusions: The FVA measurement system is not only a useful tool in the evaluation of dynamic VA changes, but also reflects the ocular surface clinical findings in SJS.

Original languageEnglish
JournalAmerican Journal of Ophthalmology
Volume142
Issue number6
DOIs
Publication statusPublished - 2006 Dec

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ASJC Scopus subject areas

  • Ophthalmology

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Kaido, M., Dogru, M., Yamada, M., Sotozono, C., Kinoshita, S., Shimazaki, J., & Tsubota, K. (2006). Functional Visual Acuity in Stevens-Johnson Syndrome. American Journal of Ophthalmology, 142(6). https://doi.org/10.1016/j.ajo.2006.07.055