Patent ID: 8197065

Claim:
A method for testing and/or training the visual sensitivity of a subject, the method comprising: (a) displaying a visual indicia possessing a visual trait defining an orientation of the visual indicia to a subject; (b) increasing a size of the displayed visual indicia; (c) receiving an input from the subject indicating that the subject perceived the visual indicia possessing the visual trait, the input being dependent upon an orientation of the visual indicia perceived by the subject; (d) comparing the visual trait possessed by the displayed visual indicia to the input received from the subject to determine whether the input corresponds to the visual trait possessed by the visual indicia; (e) recording the size of the visual indicia when the input was received from the subject and recording whether the input corresponds to the visual trait possessed by the visual indicia; (f) iteratively repeating steps (a)-(e) a predetermined number of times; and (g) calculating an average size of the indicia based on the recorded size of the visual indicia when the input was received from the subject.