Inclusion Criteria:
- Subjects who do not have pathology in both eyes
Exclusion Criteria:
Subjects who have any of the following conditions:
- Diabetes mellitus (DM) and/or diabetic retinopathy
- Uncontrolled Hypertension (HT)
- Cerebral infarction, cerebral hemorrhage, cranial nerve neoplasm and other central nervous system diseases affecting vision
- Cardiac, hepatic, renal and hematologic diseases
- A current condition requiring systemic administration of steroid
- A history of, or currently receiving, anticancer therapy
- Epileptic seizures which are optically induced
- Dementia
Note: Additional criteria may apply