Patent ID: 9462941
Filing Date: 2016-10-11
CPC Classification: A61B

Claim Text:
1. A method of visual distortion testing, the method comprising: displaying a test grid area on a hand held computer device; receiving a positive or negative input from a user indicating the presence or absence of distortion on the test grid area; removing any portions of the test grid area from a test area for which a negative input was received; calculating a first remaining positive test area; dividing the first remaining positive test area into a first plurality of segments; sequentially displaying each of the first plurality of segments on the hand held computer device; receiving a negative or positive input from the user indicating the presence or absence of distortion for each of the first plurality of segments; removing any of the first plurality of segments from the first remaining positive test area for which a negative input was received; calculating a second remaining positive test area; dividing the second remaining positive test area into a second plurality of segments; sequentially displaying each of the second plurality of segments on the hand held computer device; receiving a negative or positive input from the user indicating the presence or absence of distortion for each of the second plurality of segments; and removing any of the second plurality of segments from the second remaining positive test area for which a negative input was received.