Bilateral Dispensing Clinical Trial of Stenfilcon A Against Etafilcon A for Astigmatism

Inclusion Criteria: * Is at least 17 years of age for Canada and 18 years of age for the USA 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; * Is an adapted soft contact lens wearer; * Requires a spherical contact lens prescription between -1.00 to -6.00 inclusive in each eye * Has spectacle astigmatism: -0.50 to -1.50D (Diopter) cylinder (Axis: 90±20, 180±20 in both eyes); * Willing to wear contact lens in both eyes for at least 8 hours per day, 7 days per week; * Has manifest refraction visual acuities (VA) equal to or better than logMAR equivalent of 20/25 in each eye; * To be eligible for lens dispensing, the subject must have VA of logMAR equivalent of 20/30 or better in each eye with the study lenses and the investigator must judge the fit as acceptable. Exclusion Criteria: * 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 (by verbal confirmation at the screening visit); * Is aphakic; * Has undergone refractive error surgery