john drake john games game design default virtual reality High Resolution data page animation stats breaker screenshot vivid vision Ponzo illusion depth perception monocular cues success story testimonial vision therapy lazy eye Hardware Simultaneous Contrast Illusion monochrome gradated horizontal bar stereo depth 3d optical illusion preview hoopie game logo header research poster arvo 2019 amblyopia strabismus cindy ho tuan tran virtual reality vision therapy high resolution vr Vision therapy tool vision care tool vision therapy device vision treatment Vivid Vision Seevividly vision care d cover test exotropia intermittent manish gupta cto portrait blog Hering illusion geometrical optical Ewald Hering wired the verge time time magazine the huffington post tech crunch fast company cnbc OEP OEPF Optometric Extension Program Foundation Vision Therapy organization vision care device customer success customer support jordan jordan braunstein importance of eye exams parallel lines research bundle system vivid field knowledge base launcher png transparent press buzz media convergence insufficiency blog header od tuan dr tran optometrist announcements treatment 20 percent off discount badge UVEA UVEA Mediklinik Vivid Vision Europe rift vr rift headset facebook vr headset facebook rift rift james blaha diplopia vr transformation leap motion Vivid Fusion dashboard interface optometric Vivid Vision Optometry faq daydream vr daydream headset google vr google daydream retina diagram visual system VR exercise VR bike Illusory Motion fixation jitter visual cortex illusion rotsnake End of Year Special 2017 Checker shadows Edward Adelson shadows Manish Gupta Virtual reality vision therapy Amblyopia treatment vive image vivid vision home product shot eye colorful vision vision test test fly stereo acuity randot nvidia instructions oculus hmd head mounted display engadget cris miranda social media marketing cris vision therapy tool seevividly arvind gupta advisor sosventures promo svvr gear vr samsung headset samsung vr samsung gear vr samsung gear treatment plan home vivid vision clinical computer xbox controller touchscreen lilac chaser visual illusion pacman illusion Testimonial paul harris covd oep