Brock string

Abstract: Members of the Sports Vision Section of the AOA screened 60 basketball officials. Tests included: visual acuity, ocular motilities, accommodative facility, Brock string, Wayne saccadic fixator, vectogram, Keystone visual skills, and tachistoscope. Results demonstrated that officials' vision was at a very high level and compared favorably with the results from the recent National Sports Festival screenings.

Abstract: Aim: To study effect of therapy among computer users having convergence insufficiency. Materials and Methods: Hundred people between age group of 20-35 and who worked in IT companies were enrolled in the study. They were subjected to orthoptic evaluation to establish diagnosis of convergence insufficiency. They were then called for in-office therapy for 12 days daily. They underwent brock string exercises and at the end of therapy re-evaluation was done. Results: All the patients who underwent the therapy showed improvement in Near point of convergence at the end of therapy. They were also symptomatically better. Conclusions: Convergence insufficiency is a common occupation hazard among IT professionals. But it can be treated with appropriate therapy.

Abstract: This study investigated the relationship between ocular alignment as measured by the standard distance Brock String, and by the Mentor 0&0 B-VAT II. It also studied the possible relationship between ocular alignment and the anticipation of the occurrence of a dynamic event, as measured by the Bassin Anticipation Timer. In addition to the standard lateral fixation disparity measurements taken with the B-VAT and distance Brock String, a second Brock String measurement was taken. Subjects were asked if they perceived a fused portion of the string and if so, to determine the bead's location within the fused section of string. Statistical comparisons made between distance Brock String and B-VAT fixation disparity performances did not yield the significant results neccesary to conclude that distance Brock String responses accurately represent any one fixation disparity category (eso, exo, or ortho). In addition, no statistically significant relationship was determined between distance Brock String or B-VAT fixation disparities and any of the Bassin Anticipation Timer data. 47 of 71 subjects (66%) perceived fused sections of the distance Brock String. This high frequency of occurrence indicates the need to expand the standard instruction set when utilizing the distance Brock String.

Abstract: Purpose: This project consists of video presentations of several vision therapy techniques. The purpose of this project is two-fold. First, we would like to provide optometric interns with an example of how vision therapy procedures should be performed when working with vision therapy patients. The second purpose of this project is to provide vision therapy patients with video samples of techniques being performed. It is hoped that vision therapy home compliance rates will be increased by using the video presentation as an adjunct to home therapy. Methods: Vision therapy experts were surveyed and several vision therapy techniques were chosen to be included in this project. After researching a variety of techniques, select vision therapy procedures were scripted, filmed, and edited into cohesive video presentations. Optometry students were used as actors. The videos were created using a digital video camera and digital video editing software. Results: The therapy procedure videos have been assembled into two DVD collections, to be used in the education of optometric interns and for vision therapy patients to reference from home, should questions arise during home vision therapy. This section also includes a discussion of problems encountered throughout the film making process. Discussion: This project will provide student optometric interns with a practical resource outlining how various vision therapy techniques are to be performed and utilized in a clinical setting. It will also be used in vision therapy clinic as a guide to patients during home vision therapy.