Objectives: To characterize toric contact lens ... significant astigmatism (≥0.75 diopters) in all lens wearers. In the 1990s, planned replacement hydrogel toric lenses were introduced into ...
toric lenses represented 22% of all soft lenses prescribed. Based on the analysis of Holden, [6] this suggests that, on average, astigmatism of ≥1.50 D remains uncorrected among contact lens ...
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