myopia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Aged 18 to 40 years.spherical refraction error of -6 to -9 diopters(D), astigmatism up to -1.5D. stable refraction for 1 yers prior to surgury, and no use of any kind of contact lenses within preious 2 weeks.
Exclusion criteria
Exclusion criteria: Any eye disease except for myopia of astigmatism.suspcion of keratectasia, a history of ocular surguy or trauma or any systemic disease.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| MTF cut off;strehl ratio;objective scattering index; | — |
Countries
China
Contacts
The Third Affiliated Hospital of Third MIlitary Medical University of Chinese people Liberation Army