To measure deposits on lenses worn 10 hours.
1. No requirement as to subject sex, race, occupation or reason for wearing contact
lenses. Adult volunteers (age 18 or older) with a desire to participate in the
2. Subject's visual acuity must be correctable to 20/30 (Snellen) or better in each eye
at distance with contact lenses to enter the study. 3. Subjects must be successfully
wearing hydrogel or silicone hydrogel contact lenses prior to the study.
4. Each site will enroll normal subjects and depositors. A depositor is defined as having
film and/or discrete lens deposits on their pre-study lenses.
1. Evidence or history of keratitis (dendritic keratitis); viral disease of the cornea
and/or conjunctiva; acute bacterial disease of the cornea and/or conjunctiva and/or
eyelids; infection of the eye; and/or fungal disease of the eye.
2. One functional eye or a monofit lens.
3. Ocular conditions such as active acute blepharitis, conjunctival infections, and
4. Any slit-lamp finding score of (1) at the Screening Visit as defined in Appendix 1.
5. Use of concomitant topical ocular Rx or over-the-counter (OTC) ocular medications.
6. History of seasonal allergies with significant ocular side effects which may have an
adverse impact on contact lens wear.
7. Enrollment of the investigator's office staff, relatives or members of their