Ametropia
Conditions
Interventions
TICL group:TICL surgery
TG-LASIK group:TG-LASIK surgery
Sponsors
Wuhan Aier Hongshan Eye Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 40 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18 to 40 years; 2. The diopter is relatively stable, that is, the annual diopter change for 2 consecutive years is <0.50D; 3. The degree of astigmatism is higher than -1.00D and lower than -6.00D; 4. The pupil diameter is within 6mm; 5. Corneal curvature is between 40D and 46D; 6. The thickness of the thinnest point of the cornea meets the surgical conditions; 7. The intraocular pressure is between 10-21mmHg; 8. Stop wearing soft contact lenses for more than 1 week, stop wearing RGP for more than 1 month, and stop wearing orthokeratology lenses for more than 3 months; 9. Have good compliance, be able to follow doctor's orders and insist on regular review.
Exclusion criteria
Exclusion criteria: 1. The results of corneal topography are unreliable and have poor repeatability; 2. Good eye tracking and positioning cannot be obtained during the operation; 3. It is estimated that the thickness of the thinnest point of the cornea after TG-LASIK is less than 250 micron under the corneal flap, and the thickness of the thinnest point of the cornea after corneal surface refractive surgery is less than 360 micron; 4. Keratoconus or other corneal dilation changes are in an unstable state; 5. Active eye disease or infection; 6. Eye diseases that significantly affect vision; 7. Severe anxiety, depression and other psychological and mental diseases; 8. Diseases that cannot cooperate with examination and surgery, such as epilepsy, hysteria, etc.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Postoperative diopter; | — |
Secondary
| Measure | Time frame |
|---|---|
| Target induced astigmatism;Surgical induced astigmatism;Difference vector; | — |
Countries
China
Contacts
Public ContactWei Runjing
Wuhan Aier Hongshan Eye Hospital
Outcome results
None listed