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To understand the correct recording of visual acuity, it’s important to recognize how visual acuity measurements work. A visual acuity of 20/200 indicates that a person can see at 20 feet what a normal person can see at 200 feet. When this measurement is taken at a distance of 4 feet, it’s crucial to convert the distance properly for accurate documentation.

In this case, recording the acuity as 4/200 correctly reflects the distance at which the measurement was taken, emphasizing that the individual can see at 4 feet what a person with normal vision could see at 200 feet. This format frames the visual impairment relative to the standard distance of 20 feet and how the individual’s acuity is affected at a closer range.

This method of recording ensures that the acuity specifics are preserved while acknowledging the actual distance used for the reading, which is vital for assessing and documenting visual function accurately in clinical practice.