Fig. 5From: Multivariate analysis of the effect of Chalazia on astigmatism in childrenA distribution of vector astigmatism in a Double-angle plots in patients with a single chalazion at different sites. A = control group, B1 = Lateral-upper eyelid, B2 = Middle-upper eyelid, B3 = Medial-upper eyelid, B4 = Lateral-lower eyelid, B5 = Middle-lower eyelid, B6 = Medial-lower eyelidBack to article page