R arthritis Osteoarthritis Ankylosing spondylitis Contact lens users Drugs Prostaglandin analogs After Lasik Keratoconjunctivitis sicca Depression. Antidepressants Systemic lupus erythematosus Herpes zoster ophthalmicus Anorexia nervosa Irritable bowel syndrome Gout.
Psoriasis Radiotherapy Chemotherapy Xeroderma pigmentosa