Keratoconus, post corneal transplant, severe dry eye syndrome, refractive error
Conditions
Interventions
The group using scleral lenses for observation:None
Sponsors
Qingdao Eye Hospital Affiliated to Shandong First Medical University
Eligibility
Sex/Gender
All
Age
14 Years to 50 Years
Inclusion criteria
Inclusion criteria: 1. The corneal topography indicates the presence of significant corneal irregular astigmatism, including primary or secondary corneal dilation, after corneal transplantation, severe dry eye syndrome, etc. 2. Complex refractive errors. 3. Age range: 14 - 50 years old.
Exclusion criteria
Exclusion criteria: 1. Those with glaucoma or poor eye pressure control; 2. Those with active ocular infections or corneal inflammation; 3. Those with significantly reduced or dysfunctional corneal endothelial cells; 4. Those with a history of ocular trauma, surgery or other eye diseases; 5. Patients who cannot properly wear, remove and care for scleral contact lenses.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Corneal topography;Anterior segment OCT;Optometry; | — |
Secondary
| Measure | Time frame |
|---|---|
| Visual quality analyzer;Corneal endothelial cell count;Tear function test;Contact lens fitting assessment; | — |
Countries
China
Contacts
Public ContactXianli Du
Qingdao Eye Hospital of Shandong First Medical University
Outcome results
None listed