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Eye Visual acuity test Normal, near, and farsightedness

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Visual acuity test

Alternative Names: Eye test - acuity; Vision test - acuity Normal Values: Visual acuity is expressed as a fraction. The top number refers to the distance you stand from the chart. This is usually 20 feet. The bottom number indicates the distance at which a person with normal eyesight could read the same line you correctly read. For example, 20/20 is considered normal. 20/40 indicates that the line you correctly read at 20 feet can be read by a person with normal vision from 40 feet away. What abnormal results mean: Text Continues Below Abnormal results may indicate that you need corrective lenses to obtain normal vision, or may indicate an eye condition requiring further evaluation. Related topics: Nearsightedness Farsightedness Presbyopia Amblyopia (lazy eye)

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