Keratoconus and other corneal ectasia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: We defined the progression of corneal ectasia over the preceding 12 months as the following criteria. 1. an increase of at least 1.00 diopter (D) in the steepest keratometry 2. an increase of at least 1.00 D in the manifest refraction and manifest refractive spherical equivalent - a degradation 3. an decrease of at least 0.1 mm in base curve of hard contact lens
Exclusion criteria
Exclusion criteria: 1. Thinnest corneal thickness < 300 micron 2. Present medication of Psoralen 3. History of photodermatosis 4. History of epilepsy 5. History of fluorescein induced allergy 6. Cases with possibly undergoing keratoplasty during the observation period 7. Cases considered as inappropriate by physicians 8. Cases offering the stop of the treatment
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Kmax, thinnest corneal thickness 2. Axial length 3. Best corrected visual acuity 4. Uncorrected visual acuity 5. Manifest refractive spherical equivalent 6. Manifest cylinder refraction | — |
Countries
Japan
Contacts
Minamiaoyama Eye Clinic Department of Ophthalmology