60
Participants
Start Date
January 1, 2021
Primary Completion Date
March 31, 2022
Study Completion Date
May 31, 2022
Orthokeratology with 5.0mm back optical zone diameter
The orthokeratology lenses used in this study were Double Reservoir Lenses (DRL) manufactured by Precilens (Creteil, France). The lenses feature a dual reverse-curve design with a back optic zone diameter (BOZD) of 5.0 mm.
Orthokeratology with a 6.2 mm back optical zone diameter
The orthokeratology lenses used were Euclid lenses manufactured by Euclid Systems (Herndon, VA, USA). These lenses feature a four-zone, five-curve design with a back optic zone diameter (BOZD) of 6.2 mm.
Tianjin Eye Hospital Opotometric Center, Tianjin
Xiaoyan Yang
OTHER