keratoconus. conical cornea
Conditions
Interventions
Intervention 1: Usual 30-minute cross link surgery of keratoconus , using riboflavin and florescent light to stabilize corneal collagen and prevent progressive destruction of cornea. Intervention 2: A
Treatment - Surgery
Usual 30-minute cross link surgery of keratoconus , using riboflavin and florescent light to stabilize corneal collagen and prevent progressive destruction of cornea
Accelerated 5-minute cross link surgery of keratoconus , using riboflavin and uniform florescent light to stabilize corneal collagen and prevent progressive destruction of cornea
Sponsors
Isfahan University of Medical Sciences, Research and technology department
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Inclusion criteria: documented keratoconus patients who had refractive error higher than 2 diopters and were willing to participate in the study. Exclusion criteria: patients with poor compliance, who do not follow the post-operation orders precisely and confound the results, such as avoiding to take their medicine or not taking them correctly; patients who are affected with endophthalmitis or any other ophthalmic diseases after surgery; patients with systemic diseases such as collagen vascular disease.
Exclusion criteria
Exclusion criteria:
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Visual acuity. Timepoint: Before intervention, 6 months after intervention. Method of measurement: Snelen chart.;Keratometeric evaluation. Timepoint: Before intervention, 6 months after intervention. Method of measurement: Pentacam anterior SimK.;Topographic evaluation. Timepoint: Before intervention, 6 months after intervention. Method of measurement: Pentacam Scheimpflug imagery.;Refractory error. Timepoint: Before intervention, 6 months after intervention. Method of measurement: Auto refractive. | — |
Countries
Iran (Islamic Republic of)
Contacts
Public ContactAlireza Peiman M.D.
Isfahan University of Medical Sciences
Outcome results
None listed