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Table 4 Strehl Ratio values for 4.5 mm aperture

From: In vitro comparative optical bench analysis of a spherical and aspheric optic design of the same IOL model

Strehl Ratio Spherical IOL Aspheric IOL P-Value
Median 0.2355 0.4870 0.0002*
Minimum 0.2260 0.4430
Maximum 0.2910 0.5080
  1. *Statistically significant difference (p < 0.05, Mann-Whitney-U test)