The data support the safety and effectiveness of the WaveScan-guided customized laser ablation using the Visx Star S4 system for correction of low to moderate myopia with astigmatism.

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Long-term evaluation of the pIOL showed a persistent ECD decrease in some eyes that was numerically larger than the annual rate expected with aging. Endothelial cell loss resulted in explantation in 3.1% of all eyes with the pIOL. Patients had no permanent vision loss. The manufacturer recommends that patients continue to be monitored and their corneal endothelium evaluated semiannually.

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