ametropia
Conditions
Interventions
FS-LASIK Xtra group:Corneal accelerated cross-linking
Conventional LASIK group:no intervention
Sponsors
Affiliated Eye Hospital of Shandong University of Traditional Chinese Medicine
Eligibility
Sex/Gender
All
Age
18 Years to 35 Years
Inclusion criteria
Inclusion criteria: Inclusion criteria: age = 18 years old; surgery simple myopia or refractory myopia with astigmatism, best corrected visual acuity = 0.8; preoperative diopter: spherical mirror -1.00 ~ -11.00 D, cylindrical degree = - 5. 00 D, the refractive power is stable for more than 2 years; the central corneal thickness is greater than 460um, the postoperative corneal stroma thickness is greater than 280um; the patient should stop wearing at least 2 weeks of soft contact lens, stop wearing hard contact lens for 8 weeks or stop wearing 3~6 Months Orthokeratology.
Exclusion criteria
Exclusion criteria: Exclusion criteria: patients with eye diseases or eye surgery history; Patients with subclinical keratoconus; Scar constitution, immune disease or connective tissue disease; Have mental symptoms such as depression.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| uncorrected visual acuity(UCVA);dioptric;Corneal biomechanical index;corneal curvature;Corneal endothelium count;Best correctionn visual acuity; | — |
Secondary
| Measure | Time frame |
|---|---|
| corneal epithelial thickness;cornea densito; | — |
Countries
China
Contacts
Public ContactJi Peng
Affiliated Eye Hospital of Shandong University of Traditional Chinese Medicine
Outcome results
None listed