Research Article

Influence of Overnight Orthokeratology on Corneal Surface Shape and Optical Quality

Table 2

Mean ± SD Strehl ratio of higher-order for a 3.00 mm pupil diameter at baseline, month 1, month 3, and month 6 after orthokeratology.

BaselineMonth 1Month 3Month 6F

Strehl ratio0.469 ± 0.2340.252 ± 0.1710.296 ± 0.2020.222 ± 0.15121.544<0.001