Confirmatory Study of OPC-12759 Ophthalmic Solution

Confirmatory Study of OPC-12759 Ophthalmic Solution in Patients With Dry Eye

The purpose of this study is to verify whether OPC-12759 ophthalmic solution is effective compared with placebo in dry eye patients. OPC-12759 ophthalmic suspension will be used as a reference drug.

Inclusion Criteria:

1. Out patient
2. Subjective complaint of dry eye that has been present for minimum 20 months
3. Ocular discomfort severity is moderate to severe
4. Corneal - conjunctival damage is moderate to severe
5. Unanesthetized Schirmer's test score of 5mm/5minutes or less
6. Best corrected visual acuity of 0.2 or better in both eyes

Exclusion Criteria:

1. Presence of anterior segment disease or disorder other than that associated with dry eye
2. Ocular hypertension patient or glaucoma patient with ophthalmic solution
3. Anticipated use of any topically-instilled ocular medications or patients who cannot discontinue the use during the study
4. Anticipated use of contact lens during the study
5. Patient with punctal plug
6. Any history of ocular surgery within 12 months
7. Female patients who are pregnant,possibly pregnant or breast feeding
8. Known hypersensitivity to any component of the study drug or procedural medications
9. Receipt of any investigational product within 4 months.