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Medical Definition of Regular astigmatism
1. Astigmatism in which the curvature in each meridian is equal throughout its course, and the meridians of greatest and least curvature are at right angles to each other. (05 Mar 2000)
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1. Astigmatism in which the curvature in each meridian is equal throughout its course, and the meridians of greatest and least curvature are at right angles to each other. (05 Mar 2000)