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SOLVED:You have been asked to design a Snellen eye chart for a test distance of 5 ft. The chart is to include rows of letters to test for visual acuities of 20 / 300 (same as 5 / 75 ),

You have been asked to design a Snellen eye chart for a test distance of 5 ft. The chart is to include rows of letters to test for visual acuities of 20 / 300 (same as 5 / 75 ), 20 / 100,20 / 60 20 / 20, and 20 / 15 . Determine the size of the block letter and letter detail (in inches) for each row of letters.

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$If you can read the bottom row of your doctor's eye chart, your eye has a resolving power of 1 arcminute, equal to (1)/(60) degree. If this resolving power is diffraction limited, to what effective diameter of your eye's optical system does this correspond? Use Rayleigh's criterion and assume λ=550 nm . | Numerade$