The purpose of this study is to carry out a trial to get more convincing and valuable results of the wireless micropump in dry eye patients and compare the outcomes before and after eye drops usage. The investigators hope to investigate the micropump comprehensively, including the comparison of tear film break-up time, corneal epithelium defect percentage, and tear film thickness. To meet the demands of a trial, all the examination equipment should be the same for each patient, and this will limit the variations within a study.

The purpose of this study is to carry out a trial to get more convincing and valuable results of the wireless micropump in dry eye patients and compare the outcomes before and after eye drops usage. The investigators hope to investigate the micropump comprehensively, including the comparison of tear film break-up time, corneal epithelium defect percentage, and tear film thickness. To meet the demands of a trial, all the examination equipment and methods should be the same for each patient, and this will limit the variations within a study.

Inclusion Criteria:

• elimination of serious mental and psychological diseases;
• be accompanied by a parent or guardian who is able to give informed consent as demonstrated by signing a record of informed consent;
• be willing to comply with the clinical trial visit schedule as directed by the investigator;
• at baseline, be within the age range of 18 to 80 years old inclusive;
• BCVA≥1.0 of both eyes for each patient;
• dry eye test is BUT<5s and or Schimer test<5mm/5min；
• without other ophthalmic diseases;

Exclusion Criteria:

• At the same time, patients with other eye diseases (such as glaucoma, corneal opacity, uveitis, etc.) were diagnosed;
• serious mental and psychological diseases;
• history of refractive surgery;
• nystagmus or failure to cooperate;
• history of intraocular surgery;
• patients with systemic diseases (such as diabetes, hypertension, heart disease, etc.)