Basic Causes of Dry Eye:
01. Inadequate tear secretion:
- Age: Tear secretion decreases with age.
- Medications: Certain drugs, such as antihistamines, hormone replacement therapy, antidepressants, contraceptives, and medications for hypertension, acne, and Parkinson's disease, can reduce tear production.
- Damage: Inflammation, radiation, and other factors can damage tear glands.