Safety and Efficacy of PG101 for Dry Eye Syndrome

The topical product PG101 is expected to be efficacious in treating the symptoms of dry eye
such as discomfort, dryness, grittiness, burning, stinging, photophobia, lid friction, mucus
discharge and hyper-tearing. Two concentrations (0.25% and 1.0%) are included in the study to
determine if there is a dose response effect.

Inclusion Criteria:

- Be male or female of any race, at least 18 years of age

- Have provided verbal and written informed consent

- Be able and willing to follow instructions, including participation in all study
assessments and visits

- Have a reported history of dry eye syndrome

- Have a history of use or desire to use eye drops for dry eye

- If a woman of childbearing potential, have a negative pregnancy test at Visit 1 and be
using an adequate method of birth control throughout the study period

- Have a best corrected visual acuity of +0.70 logMAR or better in both eyes

Exclusion Criteria:

- Have any clinically significant eye findings that require therapeutic treatment or may
interfere with study parameters

- Be diagnosed with an ongoing ocular infection (bacterial, viral, or fungal), or active
ocular inflammation (e.g. follicular conjunctivitis) at Visit 1

- Be a woman who is pregnant, nursing or planning a pregnancy

- Have a known allergy and/or sensitivity to the test article or its components

- Have a condition or be in a situation which the investigator feels may put the subject
at significant risk, may confound the study results, or may interfere significantly
with the subject's participation in the study

- Be currently enrolled in an investigational drug or device study or have used an
investigational drug or device within 30 days of Visit 1