Figure legend
Figure 1. Flow chart of study selection
Figure 2. Risk of bias graph of RCT studies.
Figure 3. Risk of bias graph of retrospective studies.
Figure 4. Forest plot of VA.
Figure 5. Forest plot of glaucoma.
Figure 6. Forest plot of strabismus after subgroup analysis.
Figure 7. Forest plot of nystagmus.
Figure 8. Forest plot of retinal detachment.
Figure 9. Forest plot of VAO clearing.