Figure 3.

(a) Funnel plot for the assessment of publication Bias for estimation of effect size of violet light (VL) transmission glasses on axial length indicating no publication bias (b) Funnel plot for the assessment of publication Bias for estimation of effect size of VL transmission glasses on spherical equivalent refraction indicating no publication bias (c) Funnel plot for the assessment of publication bias for estimation of effect size of VL transmission glasses on Visual acuity indicating no publication bias