Maldonado‐Codina 2021.
Methods | RCT, cross‐over design |
Participants |
Inclusion criteria: 18 years of age and older; currently using SCL or previous 6 months; sphere between −1.00 and −6.00 DS; cylinder between −0.75 and −2.00 DC; attain at least 0.20 logMAR high contrast VA in each eye; able to use SCL at least 8 hours per day, 5 days per week Exclusion criteria: ocular or systemic disorder that would normally contradict SCL wear; use of topical eye medication; cataract or refractive surgery; pregnant or breastfeeding |
Interventions | Somofilcon A
Etafilcon A
Nelfilcon A
Notes: back surface toric; dual thin zones superiorly and inferiorly |
Outcomes |
Primary outcome:
Secondary outcomes: not specified |
Notes | Sponsorship source: "This work was funded by CooperVision Incorporated." Author's name: Carole Maldonado‐Codina Institution: University of Manchester, UK Comments: whether the analysis accounted for cross‐over design was unclear |