US Patent 8002409 Vision treatment procedures and devices

A vision treatment system comprises a computer and a user input output module associated with the computer, the user input output module including a display screen and means for receiving user input, wherein the computer includes a testing and training module for one or more vision disorders, the training and testing module in communication with the user input output module and testing a user's cutoff spatial frequency of a contrast sensitivity and applying a training regimen based upon Perceptual Template Model (PTM) analysis of interactions with the user.