blog faq visagraph results strabismus reading MC Escher Waterfall depth proximity illusion vivid vision amblyopia box software field vivid High Resolution breaker screenshot cris miranda social media marketing cris retina diagram visual system james blaha svvr portrait gizmodo logo press buzz media png transparent high resolution research poster arvo 2019 cindy ho Tuan Tran Vivid Vision Virtual reality vision therapy clinical product shot optometry vision therapy Hering illusion geometrical optical Ewald Hering ARVO 2019 Cindy Ho blaha ceo seal of approval certified provider the verge AAOpt american academy of optometry AAO preview hoopie game media coverage default vive vr vive headset htc vive vr htc vr htc vive knowledge base launcher fast company certified provider vivid vision provider vision therapy doctor Manish Gupta Amblyopia treatment Sue Barry susan barry barry sue stereo sue vr Vision therapy tool vision care tool vision therapy device vision treatment Seevividly vision care device featured doctor oxavi cms importance of eye exams OD optometrist conference testimonial vision therapy tool seevividly promotions banner Hardware manish manish gupta cto bubbles stereo 3d optical illusion circle eye Ponzo illusion depth perception monocular cues Checker shadows Edward Adelson shadows oculus rift hmd head mounted display success story convergence insufficiency small add a user wired time time magazine the huffington post tech crunch cnbc VR vision therapy see vividly VR exercise VR bike colorful vision instructions home vivid vision clinical infographic dichoptic virtual reality vision therapy amblyopia treatment ACBO Australasian College of Behavioural Optometrists aoa optometrys meeting sunao miyoshi sales APR bundle system od tuan tuan tran dr tran base in base out vergence accommodation covd demo gesture tracking product vivid vision home gear vr samsung headset samsung vr samsung gear vr samsung gear doctor locator clinic vision care d dr nate betsy yaros vive image blog header barnyard bounce concept art mama chicken chart snellen acuity visual acuity lazy eye