Key Inclusion Criteria:  Successful wear of toric soft contact lenses in both eyes for a minimum of 5 days per week and 10 hours per day during the past 3 months. Willing to wear study contact lenses for at least 16 hours on the day prior to the Week 1 Follow up visit of each lens type. Other protocol-defined inclusion criteria may apply.  Key Exclusion Criteria:  Current/previous wear of PRECISION1 for Astigmatism or MyDay Toric contact lenses. Current wear of spherical contact lenses. Wears habitual contact lenses in an extended wear modality (routinely sleeping in lenses for at least 1 night per week). Other protocol-defined exclusion criteria may apply.