hypermyopia and astigmatism
Conditions
Interventions
experimental group :operation
control group:wearing glasses
Sponsors
Xiang Ya hospital of Central South University
Eligibility
Sex/Gender
All
Age
18 Years to 46 Years
Inclusion criteria
Inclusion criteria: Age 18 years to 50 years old, the time of refractive stability is longer than two years,best corrected visual acuity more than at least 0.3, myopic degree ranged from -6.00D to -18.00D, astigmatism less than at least -4.00D; ACD more than 2.9mm, pupil diameter (dark) less than 6mm, the nunmber of corneal endothelial cells more than 2500/mm, no active eye lesions and no fundus lesions, no eye surgery, especially no refractive corneal surgery, the patient has strong requirement taking off glasses and be able to participate in the postoperation follow-up study.
Exclusion criteria
Exclusion criteria: Any eye disease and general disease, to be aged younger than 18 years old or older than 50 years old, ACD less than at least 2.8mm, pupil diameter(dark) more than 6mm, the nunmber of corneal endothelial less than at least 2500/mm, the patient cannot understand the operation risk.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| vision;IOP;diopter;wavefront aberration;PSF;MTF;axis oculi;Corneal endothelial cells;satisfaction survey; | — |
Countries
China
Contacts
Public ContactXia Xiaobo
Outcome results
None listed