acuity

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acuity

[ə′kyü·ə·dē]
(biology)
Sharpness of sense perception, as of vision or hearing.
References in periodicals archive ?
The aim of the study presented here was to investigate the impact of eccentric viewing on near acuity and self-care activities of daily living from the point of view of a clinician working in the field of low vision.
However, it did not contribute significantly to the LDE The results in Table 8 indicate that low-vision drivers reported experiencing significantly more difficulty with near acuity, distance acuity, and physical obstruction and that nonimpaired drivers had more trouble with motion perception.
For spot reading, such as reading instructions on a packet, the near acuity needed is equal to the acuity threshold so the acuity reserve ratio is 1:1.
Most of the students were keen on improving their near acuity to help them with their learning activities.
08] The near acuity chart shown is calibrated for use at: