The following 16 risk factors for dry eye were identified:

Allergic conjunctivitis (eye inflammation due to allergies) — 359% higher odds (3 studies)
Oral contraceptive use — 179% higher odds (4 studies)
Anxiety — 139% higher odds (4 studies)
Rosacea/acne — 96% higher odds (7 studies)
Refractive surgery — 90% higher odds (4 studies)
Pterygium — 78% higher odds (4 studies)
Depression — 59% higher odds (19 studies)
High stress — 59% higher odds (6 studies)
Thyroid disease — 57% higher odds (21 studies)
Viral infection — 54% higher odds (5 studies)
PTSD — 43% higher odds (4 studies)
Beta-blockers — 38% higher odds (5 studies)
Diuretics — 33% higher odds (9 studies)
Alcohol intake — 18% higher odds (17 studies)
Smoking — 18% higher odds (20 studies)
Diabetes — 14% higher odds (24 studies)

Risk factors for dry eye Original paper