Interpretation of divergent oculomotor imbalance through control system analysis.

Control systems analysis is proposed as a method for understanding the pathophysiology of oculomotor imbalance, thereby permitting better differential diagnosis and more specific treatment. Clinical cases of nonstrabismic divergent deviations, with an emphasis on convergence insufficiency (CI) are presented and explained using conventional optometric diagnostic concepts and fixation disparity (FD) curves with control systems analysis as the central, unifying concept.

Effect of vision therapy on stereophotogrammetric profiling--a controlled clinical trial.

A single, masked controlled clinical trial showed that vision therapy improved both the accuracy and repeatability of stereophotogrammetric performance on the profiling task with experienced, visually normal observers. The average fixation disparity measured under working conditions decreased and stereoscopic acuity as measured with a Howard-Dolman apparatus increased. The data suggest that vision therapy is most helpful for those profiling situations in which disparity stimuli are plentiful and stereopsis is the dominant depth cue.

Integrating clinical education into the curriculum development process.

Radiologic technology education consists of three components--didactic, laboratory, and clinical. For effective education to take place and for each program to meet its goal of preparing practitioners who have a firm theoretical foundation and are proficient technologically in radiologic technology, the three components must be integrated. Integration facilitates the transfer of theoretical and practical knowledge into the intellectual, psychomotor, and affective skills necessary for patient care.