Comparing School-Aged Refraction Measurements Using the 2WIN-S Portable Refractor in Relation to Cycloplegic Retinoscopy: A Cross-Sectional Study

Figure 3

(a) Bland–Altman plot for spherical equivalent. (b) Bland–Altman plot for J0. (c) Bland–Altman plot for J45.

(a)

(b)

(c)