Refitting Frequent Replacement Lens Wearers Into Clariti 1 Day And 1-Day Acuvue Moist Daily Disposable Spherical Lenses

The study is a prospective, double masked (investigator and participant), bilateral, randomized, cross-over dispensing study, which evaluates somofilcon A (test lens) and etafilcon A (control lens).

Inclusion criteria

• Subjects will only be eligible for the study if:

• Is at least 17 years of age and has full legal capacity to volunteer;
• Has read and signed an information consent letter;
• Is willing and able to follow instructions and maintain the appointment schedule;
• Habitually wears silicone hydrogel frequent replacement soft contact lenses, for minimum of 6-months;
• Is correctable to a visual acuity of 20/40 or better (in each eye) with the study lenses;
• Can be fit with study contact lenses with a power between - 0.50 and -10.00 DS;
• Demonstrates an acceptable fit with the study lenses;
• Habitually wears contact lenses for at least 8 hours per day, and willing to wear contact lenses for at least 12 hours a day in the study.

Exclusion criteria

• Subjects will not be eligible to take part in the study if:

• Is participating in any concurrent clinical or research study;
• Has any known active* ocular disease and/or infection;
• Has a systemic condition that in the opinion of the investigator may affect a study outcome variable;
• Is using any systemic or topical medications that in the opinion of the investigator may affect a study outcome variable;
• Has known sensitivity to the diagnostic pharmaceuticals to be used in the study;
• Is pregnant, lactating or planning a pregnancy at the time of enrolment (verbal confirmation at the screening visit);
• Is aphakic;
• Has undergone refractive error surgery;
• Is an employee of the Centre for Ocular Research & Education;
• Has participated in the BEAGLE (EX-MKTG-104) study.