Retinopathy of prematurity. Retinopathy of prematurity
Conditions
Interventions
Intervention 1: Controls:
Indirect transpupillary laser therapy will performed using indirect ophthalmoscope delivery system in avascular zones under general anesthesia. The same attending viteroretin
Treatment - Surgery
Controls:
Indirect transpupillary laser therapy will performed using indirect ophthalmoscope delivery system in avascular zones under general anesthesia. The same attending viteroretinal surgeon will
Interventions:
Group 1 (Transscleral laser therapy):transscleral diode laser photocoagulation of the avascular retina under general anesthesia with a retinopexy probe ((IRIS DioPexy, IRIS Medical Ins
Sponsors
Vice chancellery of research, Tehran University of Medical Sciences
Eligibility
Sex/Gender
All
Age
No minimum to 1 Years
Inclusion criteria
Inclusion criteria: Inclusions: 1. Zone 1 with plus, Zone 1 stage 3, Zone 2 stage 2 or 3 with plus 2. Exclusions: 1. less than 6 months follow up
Exclusion criteria
Exclusion criteria:
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Anatomical otcome including retinal attachmanet and macula. Timepoint: 3, 6 adn 12 months. Method of measurement: Indirect ophthalmoscopy. | — |
Secondary
| Measure | Time frame |
|---|---|
| Refractive outcome. Timepoint: 12 months. Method of measurement: cycloplegic in office refraction. | — |
Countries
Iran (Islamic Republic of)
Contacts
Public ContactShahin Faghihi
Eye Research center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
Outcome results
None listed