To Evaluate The Performance Of Two Monthly Replacement Silicone Hydrogel Contact Lenses After 1-month Of Wear

Inclusion Criteria: 1. Is at least 17 years of age and has full legal capacity to volunteer; 2. Self-reports having had a full eye examination within the previous 2 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 a habitual wearer of frequent replacement contact lenses; 6. Anticipates no difficulty wearing the contact lenses for 6 days/week and 8 hours/day during the study; 7. Has refractive astigmatism no higher than -0.75DC in each eye; 8. Can be successfully fit with both study lens types; 9. Achieves at least 0.4 logMAR VA monocularly and at least 0.2 logMAR VA binocularly with each study lens type. Exclusion Criteria: 1. Is participating in any concurrent clinical research study; 2. Has any known active ocular disease and/or infection; 3. Has an unstable systemic condition that in the opinion of the investigator may affect vision or contact lens comfort across the 2-month study duration; 4. Is using any systemic or topical medications in an irregular routine that in the opinion of the investigator may affect vision or contact lens comfort across the 2-month study duration; 5. Has known sensitivity to the diagnostic sodium fluorescein to be used in the study; 6. Is an employee of the Centre for Ocular Research \& Education.