Myopia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) age 18-40 years, regardless of gender; 2) more than 3 months after SMILE surgery; 3) patients with unsatisfactory operation effect and low contrast sensitivity; 4) residual SPH <= -1.50d, CYL <= -1.00d; 5) sign informed consent and volunteer to participate in this study.
Exclusion criteria
Exclusion criteria: 1) patients with postoperative corneal dilatation or keratoconus; 2) subject's activities are limited due to illness, medication or emotional state; 3) have migraine or epilepsy; 4) subjects who are currently participating in other studies and may directly or indirectly affect the results of this study; 5) previous mental illness.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| vision; | — |
Secondary
| Measure | Time frame |
|---|---|
| Contrast sensitivity; | — |
Countries
China
Contacts
Zhongshan Ophthalmic Center of Sun Yat-Sen University