Non-Dispensing Evaluation of an Investigational Galyfilcon A Soft Contact Lens

The purpose of this investigation is to compare the fit characteristics and vision attributes of an investigational Galyfilcon A contact lens and an approved Galyfilcon A contact lens.

Inclusion Criteria:

• Be of legal age (i.e., at least 18 years old)
• Sign a written informed consent
• Have contact lens distance sphere requirement in the range -1.00D to -6.00D
• Have spectacle astigmatism <1.25D in each eye
• Currently wear ACUVUE® ADVANCE™ (for at least 6 months) with documentation of current prescription.
• Have normal eyes with no evidence of abnormality or disease.

Exclusion Criteria:

• Required concurrent ocular medication
• Any systemic illness which would contra-indicate lens wear or the medical treatment of which would affect vision or successful lens wear.
• Eye injury or surgery within eight weeks immediately prior to enrollment for this study.
• Abnormal lacrimal secretions
• Pre-existing ocular irritation that would preclude contact lens fitting.
• Keratoconus or other corneal irregularity.
• Pregnancy, lactating or planning a pregnancy at the time of enrolment.
• Participation in any concurrent clinical trial
• Known allergy to silver, silver ions, or silver containing compounds.