Clinical Performance Comparison of Two Contact Lenses

Inclusion criteria

• Existing daily soft lens wearer.
• Require a distance visual correction in both eyes.
• Have a contact lens spherical distance refraction between -1.00D and -6.00D.
• Have refractive astigmatism less than or equal to 1.00D in both eyes.
• Achieve 20/30 or better corrected distance acuity.
• Have normal eyes with no evidence of abnormality or disease.

Exclusion criteria

• Requires presbyopic correction.
• Requires ocular medications.
• Grade 3 or 4 ocular abnormalities.
• Grade 3 corneal staining in more than one region.
• Has had refractive surgery.
• Any other injury or ocular surgery within 8 weeks prior to study enrollment.
• Has abnormal lacrimal secretions.
• Pre-existing ocular irritation that would preclude contact lens fitting.
• Has keratoconus or other corneal irregularity.
• Polymethyl methacrylate (PMMA), Hybrid or Rigid Gas Permeable (RGP) wear in the previous 8 weeks.
• Wears habitual contact lenses that are toric, multifocal or worn extended wear.
• Any systemic illness which would contraindicate lens wear or the medical treatment of would affect vision or successful lens wear.
• Diabetic.
• Infectious or immunosuppressive disease.
• History of chronic eye disease (e.g glaucoma or age related macular degeneration).
• Pregnancy, lactation or planning pregnancy at time of enrollment.
• Participation in any concurrent clinical trial or in another trial in the last 30 days.