ametropia,corneal refractive surgery
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Group 1: the Slitlamp Biomicroscopy and corneal topographic examination were diagnosed as keratoconus patients; Group 2: before corneal refractive surgery, the corneal topographic map is suspected to be keratoconus; Group 3: patients older than 40 years, without keratoconus.
Exclusion criteria
Exclusion criteria: 1. Other ophthalmopathy, such as cataract, glaucoma, etc.; 2. Systemic diseases such as asthma and heart disease.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| keratoconus gene; | — |
Secondary
| Measure | Time frame |
|---|---|
| corneal topography;Slitlamp Biomicroscopy;Anterior Corneal OCT; | — |
Countries
China
Contacts
Beijing Ophthalmology & Visual Sciences Key Laboratory, Beijing Tongren Hospital