Clinical Evaluation of the Long‑Term Effects of Contact Lens Care Systems

Inclusion Criteria:

- Be at least 18 years old.

- Signed Informed Consent and Investigator to record this on Case Report Form (CRF) in
appropriate space.

- Require a visual correction in both eyes (monovision allowed but not monofit).

- Have a contact lens spherical distance requirement between +6.00D and -9.00D in both
eyes.

- Astigmatism of 1.00D or less in the better eye and 1.50D or less in the other eye.

- Be correctable to a visual acuity of 20/30 (6/9) or better in each eye.

- Have normal eyes with no evidence of abnormality or disease.

Exclusion Criteria:

- Requires concurrent ocular medication.

- Any systemic illness which would contraindicate lens wear or the medical treatment of
which would affect vision or successful lens wear.

- Clinically significant corneal edema, corneal vascularisation, tarsal abnormalities,
bulbar injection or any other abnormality of the cornea that would contraindicate
contact lens wear.

- Worn lenses on an extended wear basis in the last 3 months.

- Diabetic.

- Infectious disease (e.g., hepatitis, tuberculosis) or an immunosuppressive disease
(e.g., HIV).

- Polymethyl methacrylate (PMMA) or rigid gas-permeable (RGP) lens wear in the previous
8 weeks.

- Has had refractive surgery. Has had eye injury/surgery within 8 weeks immediately
prior to enrolment for this study.

- Abnormal lacrimal secretions.