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Estimation of dioptric power from measurements that may include measurements of dioptric power
1Department of Optometry, Rand Afrikaans University, Johannesburg, South Africa.
Abstract:
A general routine exists for estimating dioptric power from any number of measurements of sagitta, lens thickness, meridional curvature or power, and prismatic effect. This paper shows how the routine is modified when among the measurements there are measurements of dioptric power itself.