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Biomedical subjects

A Colenbrander

Publications and source records attributed to A Colenbrander.

At least 19 recordsLinked to original sources

The subspecialty training, practice type, and geographical distribution of recently trained ophthalmologists: a study of male and female physicians.

OBJECTIVE: To characterize the distribution of male and female ophthalmologists with regard to practice type, subspecialty training, rural-urban distribution, and regional distribution. METHODS: Ophthalmology Matching Program files containing the records of residents who began their second year at accredited programs between 1986 and 1990 (inclusive), were compared to membership files of the American Academy of Ophthalmology. Practice locations for each individual were classified according to region, stage, and Rural-Urban Continuum County Code, as defined by the US Department of Agriculture. RESULTS: This cohort comprised 2,494 individuals, 77.1% (1922) of whom were male and 22.9% (572) of whom were female. Group practice was most common (55.9% for women and 61.3% for men). More women were in salaried positions associated with health maintenance organizations (p = 0.006) and academic settings (p < 0.001) than were men. Notable differences in subspecialty choice were restricted to pediatric ophthalmology, chosen three times more frequently by women, and vitreoretinal diseases/surgery, chosen twice as often by men. Only 5.6% of women selected nonmetropolitan practice locales compared to approximately twice that percentage of men. The Middle Atlantic and New England regions attracted more women, while the South Atlantic attracted more men.

Cohort Studies↗

Basic concepts and terms for low vision rehabilitation.

As the involvement of occupational therapists in the rehabilitation of people with visual impairments increases, it is important for all professionals involved to communicate clearly by using the most accurate terminology. This article suggests the most appropriate use of terms and concepts. It recommends that the distinctions between the various aspects of vision loss be recognized and that the old dichotomy of legally blind versus legally sighted be replaced by the more detailed classification of the International Classification of Diseases, 9th revision, Clinical Modification (ICD-9-CM), which recognizes multiple levels of visual performance.

Aged↗

The United States Neurological Surgery Residency Matching Program.

After 3 years of deliberations, The Society of Neurological Surgeons approved a national Neurological Surgery Matching Program in 1983 for residency positions beginning July 1, 1985. All directors of United States neurological surgery residency training programs agreed to participate and abide by the rules of the match. A review of 10 years' experience with 11 matches from 1983 to 1994 indicates full acceptance by both applicants and program directors and a highly successful process and outcome, satisfactory for everyone except for qualified applicants who failed to obtain a residency position. Since 1985, 1455 neurosurgical (Postgraduate Year 2) residency positions have been offered for match, and 2708 applicants have submitted a ranking list, filling 1434 positions with the initial computer run each year and leaving 1274 unmatched applicants. Thus, the ratio of applicants to available positions is almost 2:1. Various interesting details about multiple-year applications, International Medical Graduates, and nonstart, transfer, and dropout rates are presented, including the eventual practice activities of residents not completing neurosurgical training. A comparison of all United States medical schools, considering data on applications and matches for neurosurgical residency versus number of senior medical students, reveals wide differences. These differences are probably related to the availability of neurosurgical clerkships, faculty participation in the undergraduate curriculum, and the presence of a neurosurgical residency program.

Career Choice↗

Intraocular lens data.

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Catalogs, Commercial as Topic↗

Contribution of vision variables to mobility in age-related maculopathy patients.

Can mobility performance be predicted from measures of vision function? This study addressed this question by measuring a series of vision variables including visual acuity, visual fields, and differential motion sensitivity in a group of patients with age-related maculopathy (ARM) and a group of age-matched normals. Mobility performance at three adaptation levels was determined objectively on an indoor course. The results indicate that for the patients with ARM, mobility variables can be predicted from measures of vision function, including differential velocity sensitivity, and that simple variables such as time taken to complete the course and average speed are those which relate best to vision.

Aging↗

Intraocular lens data.

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Catalogs, Commercial as Topic↗

Effect of luminance, contrast, and eccentricity on visual acuity in senile macular degeneration.

We examined the effect of luminance on low contrast visual acuity in six patients with mild reductions in vision due to senile macular degeneration (SMD) and in six normals of approximately the same age. At the highest luminance tested the SMD patients showed a reduction in acuity compared to the controls, with eccentricity and contrast effects clearly shown. The SMD patients had difficulty performing the acuity task at the lower luminances (0.26 and 0.75 cd/m2); they showed little or no increase in visual acuity with increasing contrast levels at the lower luminances. Acuity was slightly influenced by target eccentricity at these luminances. These data suggest that the adaptation mechanisms allowing the normal visual system to operate efficiently over a wide range of luminances are affected in SMD, even when clinically measured acuity is only moderately depressed.

Aged↗

Intraocular lens data.

Explore the source record for details and available documents.

Catalogs, Commercial as Topic↗