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Biomedical subjects

P B Freeman

Publications and source records attributed to P B Freeman.

25 records · Page 2Linked to original sources
PubMed1993

Use of spectacle mounted telescope systems by the visually impaired.

BACKGROUND: Spectacle mounted telescope low vision aids are designed to magnify objects Spectacle telescopes are often rejected by the visually impaired because of their unusual cosmetic appearance which may call attention to their disability. METHODS: Fifty-six subjects were recruited at four independent low vision clinics and divided into two categories: 24 were current wearers of expanded field spectacle mounted telescope systems, and 32 were new wearers. New wearers underwent a randomized cross-over trial, comparing the experimental device (Ocutech VES) to one of two controls (DFV Expanded Field or Walter's Keplarian Close-focus Telescope). RESULTS: Our data show that previous telescope wearers increased their use of telescopes after introduction of the experimental device (Ocutech VES) and there was an equivalent utilization rate for new wearers. CONCLUSIONS: Visual activity patterns are not a sensitive measure of telescope benefit, but frequency of use patterns do change and appear to demonstrate a valid benefit of spectacle mounted telescopes for the visually impaired.

Adolescent↗
PubMed1991

The Ocutech Vision Enhancing System (VES): utilization and preference study.

An NIH-sponsored user and prescriber preference trial was conducted comparing a new low vision telescope system, the Ocutech Vision Enhancing System (VES) to two conventional Keplarian spectacle telescope systems in a controlled cross-over clinical study performed at four independent low vision clinics. Fifty-five visually impaired individuals, 18-81 years of age, with both previous and no telescope experience, were followed for 8-16 weeks. The experimental and control devices were compared on a series of subject-selected visual tasks using a standardized clinical protocol. Subjects were trained in the use of the systems with standardized clinical methods. The data shows a statistically significant preference of the new design by both patient and clinician with the overriding factors relating to appearance, weight, adjustability and the fit of the frame.

Adolescent↗
PubMed1981

Low vision practitioner and the paraoptometric.

The low vision patient is a complex individual who requires understanding by not only the optometrist but by the paraoptometric. The paraoptometric in effect can determine the outcome of the optical portion of the evaluation. By setting the stage for the evaluation, and by carrying out the recommendations, the paraoptometric plays an invaluable role in determining the success of the low vision patient.

Adolescent↗
PubMed1979

Managing the low vision patient.

The low vision child has long been neglected by the professional community. A self-analysis of the usefulness of optometric service must be made as to professional attitudes and the understanding of the low vision aids as well as the patient that is expected to wear them. Once these hurdles are overcome, the optometrist is more able to help the low vision child become a productive, contributing member of society.

Child↗
PubMedDate not supplied

Gonorrhea.

Explore the source record for details and available documents.

Anti-Bacterial Agents↗