Key Inclusion Criteria:  Is able to understand and sign an approved information consent letter; Habitually wears daily disposable soft contact lenses in both eyes; Is able to achieve 20/40 or better monocular VA with habitual contact lenses; Has a pair of spectacles for vision correction. Other protocol-defined inclusion criteria may apply.  Key Exclusion Criteria:  Routinely sleeps in habitual contact lenses; Has any known active ocular disease and/or infection; Is pregnant or lactating; Other protocol-defined exclusion criteria may apply.