Efficacy of Prism Adaptation in the Surgical Management of Acquired Esotropia

To the Editor. null —The randomized multicenter clinical trial described in the September 1990 issue of theArchiveswas designed to determine the efficacy of prism adaptation (PA) in the surgical management of acquired esotropia. 1 In randomized studies, the control population and the experimental population are evaluated before surgery on an equal basis to avoid observer bias. However, in this study, did the PAR/PS patients (prism adaptation...