High Resolution Ambiguity of Direction illusion depth perception vr vision therapy high resolution vision therapy tool vision care tool vision therapy device amblyopia strabismus vision treatment vivid vision seevividly vision care device tuan tran virtual reality vision therapy Vision therapy tool Vivid Vision Seevividly vision care d Hering illusion geometrical optical Ewald Hering Hardware ben backus science advisor optometrist portrait dan fortenbacher dan fortenbacher od fcovd wow vision michigan Sue Barry susan barry barry sue stereo sue chart snellen acuity visual acuity Tuan Tran OD conference visual system ring runner space screenshot screen MC Escher Waterfall depth proximity bundle system preview hoopie game infographic dichoptic gear vr samsung headset samsung vr samsung gear vr samsung gear VividVision spotlights clinic spotlights Ponzo illusion parallel lines monocular cues product product shot home vivid vision home success story testimonial patient success story andrea research poster ARVO 2019 Cindy Ho Virtual reality vision therapy promotions banner default announcements field vivid gear VR box art advisor pc rift markdown reference github barnyard bounce concept art mama chicken convergence insufficiency diplopia tuan dr tran test vision intermittent exotropia cover test logo circle james blaha vr transformation watercolor illusion chromaticity luminance color contrast vision care dev covd seminar oculus hmd head mounted display Michigan State special Olympics Impossible object blivet widget devils fork COVD College of Optometrists in Vision Development nvidia instructions small 20 percent off discount badge grand rapids st joseph importance of eye exams NORA neurooptometry optometry neurorehabilitation TBI concussion head injury techcrunch press buzz media Susan Barry Stereo Sue reading problem phone trouble reading Vivid Vision Optometry newsletters dr nate betsy yaros blog demo manish gupta gesture tracking Cranial nerve Ocular Motor nerve diagram john drake john games game design VR exercise VR bike End of Year Special 2017 girl shumaker SIODEC patient robert reading Skip Rift Setup Manish Gupta Amblyopia treatment research breaker leap motion background backgdrop software hardware xbox controller oculus rift touchscreen