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Biomedical subjects

C Y Nakamura

Publications and source records attributed to C Y Nakamura.

11 recordsLinked to original sources

Comparison of carboxymethylcellulose vs. hydroxypropyl methylcellulose as a gonioscopic fluid.

BACKGROUND: Hydroxypropyl methylcellulose (HPMC), a popular gonioscopic solution, can cause discomfort and blurred vision. These side effects have been attributed to the preservative benzalkonium chloride (BAK). Carboxymethylcellulose (CMC), an unpreserved, viscous solution, might well provide adequate patient comfort and cushioning during gonioscopy without producing blur or irritation. METHODS: The effects of CMC and HPMC during gonioscopy were evaluated in 55 human subjects. Corneal staining, comfort, subjective vision, and measured visual acuity (VA) were assessed. RESULTS: In comparison with HPMC, CMC effected less corneal staining, greater comfort, and better vision after the procedure, CONCLUSION: CMC proved to be a viable and superior alternative to HPMC as a gonioscopic solution.

Adult↗

Ethnic differences in alcohol consumption among Asians and Caucasians in the United States: an investigation of cultural and physiological factors.

The present study examined Asian and Caucasian differences in alcohol consumption and the self-reported socio-cultural and physiological correlates of consumption. The subjects were 83 Asian (38 male, 45 female) and 96 Caucasian (48 male, 48 female) students who were asked to complete questionnaires on: (1) demographic information, (2) general attitudes and values, (3) level of alcohol consumption, (4) attitudes toward drinking and (5) physiological reactivity. The results indicated that: (1) Asians self-reported lower levels of alcohol consumption than did Caucasians, and (2) physiological reactivity and attitudes toward drinking rather than general cultural values were significant predictors of ethnic differences in drinking. The results suggest the importance of simultaneously evaluating physiological reactivity and sociocultural factors in alcohol consumption.

Adult↗

Validity of synthetic estimates of problem-drinker prevalence.

For the purpose of evaluating their validity, survey-based synthetic estimates of problem-drinker prevalence in California's counties were correlated with social indicators of alcohol abuse. Prevalence estimates were predictive of automobile accidents and drunk-driving arrests but not of other problems. Data on drinking practices from a statewide survey provide more valid estimates than national survey data. Taking into account empirical and other factors impinging upon the validity of this prevalence formula, it is concluded that synthetic estimates provide a defensible but limited basis for estimating needs for alcoholism services in small areas.

Accidents, Traffic↗