vivid vision small logo High Resolution ebbinghaus illusion titchener circles Susan Barry Stereo Sue vr vision therapy high resolution Vision therapy tool vision care tool vision therapy device amblyopia strabismus vision treatment Vivid Vision Seevividly vision care device manish gupta covd demo infographic dichoptic software box default virtual reality promotions banner vivid vision home product shot breaker screenshot clinical optometry data page stats tuan tran virtual reality vision therapy vive vr vive headset htc vive vr htc vr htc vive Hering illusion geometrical optical Ewald Hering Tuan Tran OD optometrist conference daydream vr daydream headset google vr google daydream Oculus Rift Orange Blue Light IRS eric medine head shot portrait team blog header MC Escher Waterfall depth proximity illusion paul harris sco professor od UVEA UVEA Mediklinik Vivid Vision Europe SRC Melbourne See Vividly VR Vision therapy figure ground organization gestalt psychology blog diplopia seevividly Michigan State special Olympics game bubbles bundle system media coverage Impossible object blivet widget devils fork vision therapy patient stereo sue fixing my gaze susan barry engadget press buzz media manish cto john drake john games game design computer leap motion xbox controller touchscreen vivid vision home version dr paul harris testimonial gizmodo importance of eye exams visagraph results reading knowledge base launcher vision therapy tool Skip Rift Setup james blaha vr transformation base in base out vergence accommodation product home advisor Vision therapy student western university college of optometry eye colorful vision events circle stereo 3d optical illusion preview hoopie Hardware vive image VR exercise VR bike test intermittent exotropia cover test Vivid Vision team oculus rift hmd head mounted display VividVision spotlights clinic spotlights James Blaha vrvt apollo vr wired the verge time time magazine the huffington post tech crunch fast company cnbc alan purdy unity programmer markdown reference github Dr Alex Talaber dr nate betsy yaros