Have you ever received treatment for dry eyes including eye drops 1.Yes: 6 points 2.No: 0 points 3. Not sure: 0 points 2. Have you ever had the following eye symptoms (if so, refer to question 3) 1. Pain 2. Itchy eyes 3. Dryness 4. Gritty feeling 5. Burning feeling 3. How often do these eye symptoms occur 1. Never: 0 points 2. Sometimes: 1 point 3. Often: 4 points 4, always: 8 points Fourth, do you think your eyes are particularly sensitive to cigarettes, smoke, air conditioning and heating? 1. Yes: 0 points 2. No: 2 points 3. Sometimes: 4 points 5. Are your eyes very easily red and irritated when swimming in chlorinated water 1. Don’t know: 0 points 2. Yes: 2 points 3. No: 0 points 4. Sometimes: 1 point 6. Are your eyes dry and irritated after drinking alcohol 1. Don’t know: 0 points 2. Yes: 4 points 3. No: 0 points 4. Sometimes: 2 points 7. Do you use the following drugs? 1. Antihistamine eye drops 2. Diuretic tablets (liquid tablets) 3. Sleeping pills 4. Valium 5. Oral contraception 1 to 5 appeal drugs as long as there are used: 2 points 6. Duodenal ulcer drugs 7. Digestive drugs 8. Hypertension drugs 9. Pinching drugs 6 to 9 above drugs are used: 1 point 8. Do you suffer from arthritis 1. Yes: 2 points 2. No: 0 points 3. Not sure: 0 points 9. You always feel dry nose, dry mouth, dry throat, chest tightness, vaginal: 0 points 1. Never: 0 points 2. Sometimes: 1 point 3. Often: 2 points 4. Always: 4 points 10. Do you suffer from thyroid disease 1. Yes: 2 points 2. No: 0 points 3. Unclear: 0 points 11. Do you find yourself sleeping with eyes not completely closed 1. Yes: 2 points 2. No: 0 points 1. 3. Unclear: 0 points 12. Do you find yourself waking up after sleep Dry eyes 1. Yes：2 points 2. No：0 points 3. Not clear：1 point If the total score exceeds 14.5 points, you suspect dry eyes and should go to the hospital for dry eyes related examination