MAR 26, 2009
Cataract/Anterior Segment, Comprehensive Ophthalmology
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It is useful to remember that a relatively small misalignment in toric lens placement can result in significant loss of astigmatic refractive effect. This relationship is sinusoidal (R=2Csinθ), where R = resulting cylinder of a misaligned toric IOL fully correcting for 1D of astigmatism (C).