Minimum angle of resolution when visual acuity is 6/6
Correct Answer: 1 min of arc
Description: Answer-A. 1 min of arcVisual acuity is the first test performed after taking history.Measurement of the central visual acuity is essentially an assessment of function of the fovea centralis.An object must be presented so that each poion of it is separated by a difinite interval, known as minimum angle of resolution (MAR). Customarily, this interval has become one minute of an arc.The test object should subtends an angle of five minutes of an arc.
Category:
Ophthalmology
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