branch retinal vein occlusion
Conditions
Interventions
Subthreshold micropulse laser photocoagulation group: Subthreshold micropulse laser photocoagulation
intravitreal ranibizmab group:intravitreal ranibizmab
Sponsors
Affiliated Hospital of Yunnan University
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: The inclusion criteria were: (1) patient age >18 years, diagnosis of ME of BRVO; (2) a history of intravitreal anti-VEGF treatment with 3 or more injections within the previous 6 months (24 weeks); (3) Central macular thickness (CMT )> 250 µm measured using spectral-domain optical coherence tomography (SD-OCT) (Nikon RS-3000, Japan). (4) Fundus fluorescein angiography (FFA) showed no signs of ischemia (or ischemia had been ameliorated by conventional laser therapy outside the macular arch).
Exclusion criteria
Exclusion criteria: Exclusion criteria were a history of other underlying retinal vascular diseases or other retinal pathologies, a history of vitreoretinal surgery or cataract surgery within the previous 6 months, and a history of steroid therapy within the previous 6 months. Patients were not eligible if they had retinal thickening due to the epiretinal membrane or vitreomacular traction syndrome.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| visual acuity;central retinal thickness; | — |
Secondary
| Measure | Time frame |
|---|---|
| The mean numbers of treatments; | — |
Countries
china
Contacts
Public Contactxiaoxiao,feng
Affiliated Hospital of Yunnan University
Outcome results
None listed