To investigate the efficacy of laser photocoagulation combined with ranibizumab intravitreal injection in macular edema (ME) secondary to branch retinal vein occlusion (BRVO) in long term.
To investigate the efficacy of ranibizumab intravitreal injections-driven by achieving vision acuity stabilization compared to combination with laser photocoagulation in Chinese patients with visual impairment in ME due to BRVO. The result of the trial will be used to support new therapy in the BRVO in China.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
80
subjects in one group receive both macular laser photocoagulation and ranibizumab injections but ones in the other group just received ranibizumab injection.
all subjections received 3+PRN ranibizumab injections by BCVA stabilization
Beijing Hospital
Beijing, Beijing Municipality, China
visual acuity changes
comparing the changes of visual acuity between the two groups
Time frame: one year
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