The educational component is good.
The snelling chart should have the opportunity to randomize letters so they cannot be memorized, and it should be possible to view it from varying distances.
The Ishahara color vision test should allow choice among multiple options of what is seen and wait until the end to tabulate at least a tentative specific type of color vision abnormality.
The optokinetic test is a nice to have, as is the press-to-illuminate flashlight button- it could be used for morse coding as well!
It would be a wonderful App if the above improvements!
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Jen from Pittsburgh
Sarah'sScott
russmatney