This month, Bill Harvey and Andy Franklin look at the measurement of vision and acuity in the consulting room. C7813, one general CET point, suitable for optometrists and DOs
Visual acuity is a measurement of a patient's ability to resolve detail. It usually involves directing a patient to identify targets, at a set distance, which are of ever decreasing size and typically of high contrast until they can no longer be identified. The recognition of high contrast targets at the highest spatial frequency is useful for standardised assessment, but is not representative of the visual environment within which the patient lives.
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