The DiagnosticGame™ app is a group of six automated games designed to measure visual acuity, color vision, stereopsis and relative brightness, which is a novel detector amblyopia. The player may perform one or all six of the games. The games measure performance achievements but does not diagnose, treat, cure, or prevent any disease. The performance game scores provide information that allow health care specialists, in particular pediatricians and school nurses, to better identify eye diseases and eye specialists to better diagnose and treat eye diseases.