Never underestimate the force of reproduction
نویسندگان
چکیده
منابع مشابه
Never underestimate the importance of refraction.
Paul B. Freeman, O.D. Dsive guidelines in both optometry and ophthalmology for care of the patient with a visual impairment, there are still those who feel that once there is a measured decrease in visual acuity based on a pathology, the only helpful recourse is magnification. Unfortunately, the ‘‘best corrected’’ visual acuity is not always determined or verified. Applying magnification withou...
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15 صفحه اولPerception and reproduction of force direction in the horizontal plane.
In this study, we evaluated the capacity of human beings to perceive and reproduce forces applied to the hand. We tested for perceptive distortions and/or privileged directions in the performance of these two tasks. Subjects resisted a reference force applied by a joystick in a given direction, with instructions to keep the hand at a constant position. In a perception task, subjects subsequentl...
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ژورنال
عنوان ژورنال: BMJ
سال: 2000
ISSN: 0959-8138
DOI: 10.1136/bmj.321.7259.461