product shot pc rift box art Ambiguity of Direction illusion depth perception base in base out vergence accommodation High Resolution high resolution gizmodo logo press buzz media vivid vision infographic dichoptic vision test test fly stereo stereo acuity randot james blaha svvr portrait markdown reference github fast company dr paul harris vr vision therapy Vision therapy tool vision care tool vision therapy device amblyopia strabismus vision treatment Vivid Vision Seevividly vision care device success story testimonial Hardware oxavi cms Vivid Vision Optometry Testimonial tuan tran tuan covd blog alan purdy unity programmer Happy Holidays demo manish gupta gesture tracking diplopia seevividly doctor locator clinic optometry eye banner default importance of eye exams Oculus Rift Orange Blue Light James Blaha Convergence Insufficiency lilac chaser visual illusion pacman illusion betsy yaros patient Manish Gupta Virtual reality vision therapy Amblyopia treatment girl shumaker vivid background field treatment plan home vivid vision clinical blaha ceo Cranial nerve Ocular Motor nerve diagram product vivid vision home vision therapy tool vivid vision home version small oculus hmd head mounted display vision care dev UVEA UVEA Mediklinik Vivid Vision Europe game virtual reality vision therapy amblyopia treatment Vision therapy student western university college of optometry featured doctor announcements Susan Barry Stereo Sue software box backgdrop stereo sue fixing my gaze susan barry paul harris sco professor od dan fortenbacher dan fortenbacher optometrist fcovd wow vision michigan bundle hardware leap motion xbox controller oculus rift touchscreen color colors color scheme vrvt apollo vr logos news sunao miyoshi sales APR clinical knowledge base launcher breaker cafe wall illusion geometricaloptical media coverage happy holidays aoa optometrys meeting john drake john games game design promotions Checker shadows Edward Adelson shadows ben backus science advisor IRS