Due to the covid 19, patient recruiment is not going smoothly, so the study was canceled.

Clinical efficacy of Intense Pulsed Light(IPL) procedure in dry eye patients with meibomian gland dysfunction prior to cataract surgery.

IPL procedure is a device used for symptom relief and treatment of dry eye syndrome caused by meibomian gland dysfunction in adults, and its safety and long-term effects have been confirmed. The purpose of this study is to determine whether this procedure before cataract surgery is effective in improving the symptoms of dry eye syndrome after cataract surgery.

Inclusion Criteria:

1. A patient at the age of 21 cataract surgery
2. A patient has the visual potential of 20/25 or better in each eye after cataract removal
3. Dry eye patient by meibomian gland dysfunction
4. Written informed consent to surgery and participation in the study

Exclusion Criteria:

1. Eye damage, active eye infection
2. Uncontrolled health problem
3. Wear contact lens within one month
4. Allergic reactions of fluorescein sodium or ophtalmic anesthetic
5. Eye surgery and trauma in the last six months
6. Eye disease, structural abnormality
7. If there is a cause of vision loss other than cataracts
8. Under 20/25 expect vision
9. Under the age of 20 years of age
10. Pregnant woman and lactating woman
11. Medical conditions in which IPL is contraindicated