Acuity
ability to detect fine details; sharpness of vision. Can be affected by small distortions in the shape of the eye
Acuity refers to a person’s ability to see clearly and sharply. It is measured using an eye chart and expressed as a fraction, such as 20/20 or 20/40. The top number represents the distance the person is standing from the chart, typically 20 feet, while the bottom number represents the distance at which a person with normal vision could read the same line on the chart.
Good acuity is important for many activities and tasks, including driving, reading, and sports. If someone has poor acuity, they may need corrective lenses such as glasses or contacts to improve their vision. Some medical conditions and injuries can also affect acuity, so it is important to have regular eye exams to monitor and address any vision issues.
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