Inclusion criteria
CRAO
Clinically diagnosed with CRAO and age ≥20 years and ≤80 yearsCRAO patients who were determined to have fixed symptoms more than 6 months after the onsetDecimal visual acuity from hand motion to 0.7Patients who provided signed consent with sufficient understanding after receiving an explanation of the responsibilities of participating in this trialRegular hospital visits every 2 weeks for 12 weeks