refractive errors
Conditions
Interventions
1:v4c ICL implantation
2:v4b ICL implantation
Sponsors
Cangzhou Central Hospital
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. The mental health, better compliance, agreed to participated in the study and signed informed consent; 2. Aged at least 18 years; 3. The best corrected vision corrected distance visual acuity (CDVA) is more than or equal to 1.0, and stable in 2 years; 4. Refractive error in the correction of range (- 0.5 --18.0D); 5. the refractive matter clear.
Exclusion criteria
Exclusion criteria: 1. mental abnormality, one can not understand surgical risk, or don't agree to participate in the study; 2. degeneration of cornea and corneal endothelial cell counts (endothelial cell density, ECD) is equal to or less than 2000 cells/mm2; 3. anterior chamber depth (anterior chamber depth, ACD) is less than or equal to 3.0 mm; 4. dark pupil > 7.0 mm; 5. with systemic tissue diseases or autoimmune diseases; 6. with uveitis, cataract, glaucoma, retinal detachment or other eye diseases.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| visual acuity;IOP;vault; | — |
Countries
China
Contacts
Public ContactFan Yuxiang
Cangzhou Central Hospital
Outcome results
None listed