Fig. 3

Relationship of TRPR (A), RPR-I (B), RPR-T (C), RPR-45 (D), RPR-(30–45) (E) and RPR-(15–45) (F) with spherical refraction.
Relationship of TRPR (A), RPR-I (B), RPR-T (C), RPR-45 (D), RPR-(30–45) (E) and RPR-(15–45) (F) with spherical refraction.