Question

how does the distance from an eye chart affect the number of letters that are recognized on a line?

Answer 1

10feet is recongnace by opthalmic expert. becose the focus of light statly through mirror and eye is capable to capture the length of distance category 10.feet

Answer 2

It depends upon distance from eye chart.

An eye chart is considered to be the chart which is used to evaluate the visual acuity.

The eye charts are usually employed by the health care professionals including nurses or physicians, optometrists and ophthalmologists to screen individuals for the sake of vision impairment.

The eye charts are used to monitor the visual acuity of person.