A Bilateral Dispensing Comparison of Comfilcon A Over Senofilcon C Contact Lenses

Inclusion Criteria: A person is eligible for inclusion in the study if he/she: 1. Is at least 17 years of age and has full legal capacity to volunteer; 2. Has had a self-reported oculo-visual examination in the last two years. 3. Has read and signed an information consent letter; 4. Is willing and able to follow instructions and maintain the appointment schedule; 5. Is an adapted soft contact lens wearer, who currently wears contact lenses for a minimum 3 days/week and 8 hours/day AND who anticipates no difficulty wearing CLs for 6 days/week, 10 hours /day. 6. Is willing to wear contact lens in both eyes for the duration of the study; 7. Has a minimum astigmatism of - 0.75, determined by refraction; 8. Can be fit with the two study contact lens types in the powers available; 9. Has a distance visual acuity of 0.20 logMAR (approx 20/30) or better, determined by refraction; 10. Can achieve a distance visual acuity of 0.20 logMAR (approx 20/30) or better in each eye with the study contact lenses. 11. Has clear corneas and no active\* ocular disease; Exclusion Criteria: A person will be excluded from the study if he/she: 1. Is participating in any concurrent clinical trial; 2. Has any known active\* ocular disease and/or infection; 3. Has a systemic condition that in the opinion of the investigator may affect a study measure; 4. Is using any systemic or topical medications that in the opinion of the investigator may affect a study measure; 5. Has known sensitivity to fluorescein dye or products to be used in the study; 6. Appears to have any active\* ocular pathology, ocular anomaly or severe insufficiency of lacrimal secretion (severe dry eye) that would affect the wearing of contact lenses; 7. Is pregnant, lactating or planning a pregnancy at the time of enrolment (by verbal confirmation at the screening visit); 8. Is aphakic; 9. Has undergone refractive error surgery; 10. Has participated in the previous QUENA study.