figure ground organization gestalt psychology illusion sensor replacement vr eye focusing problem blurry vision reading problem vision see an optometrist symptom logo High Resolution Testimonial vivid vision diplopia seevividly shumaker rising star optometry rift betsy yaros patient Simultaneous Contrast Illusion monochrome gradated horizontal bar importance of eye exams James Blaha CEO Founder Vivid Vision VR vision therapy see vividly sports vision vision therapy athletics visual performance high resolution Vision therapy tool vision care tool vision therapy device amblyopia strabismus vision treatment Seevividly vision care device covd seminar png transparent alan purdy unity programmer Ambiguity of Direction depth perception reading headache double vision trouble reading learning lazy eye convergence insufficiency Michigan State special Olympics tuan tran tuan research poster ARVO 2019 Cindy Ho eye colorful set up keyboard mouse babo Vivid Vision team Manish Gupta Virtual reality vision therapy Amblyopia treatment cafe wall illusion geometricaloptical demo manish gupta gesture tracking clinic titmus fly test stereopsis test suppression test vectograph 3d vision binocular vision vrvt apollo vr EYEBAB press release vision therapy app vision therapy ipad computer vision therapy vision and learning visual training optometry Monica Fehrs VRVT Technical Specialist infographic dichoptic AOA American Optometric Association james blaha virtual reality vision therapy small retina diagram visual system testimonial success story refractive amblyopia childrens vision michigan vision therapy eric medine head shot portrait team left touch controller esotropia headaches patching treatment vergence disorders exotropia divergence excess strabismic refractive Ponzo illusion parallel lines monocular cues Ben Backus Chief Science Officer ACBO Australasian College of Behavioural Optometrists wired the verge time time magazine the huffington post tech crunch fast company cnbc eyebab vivid vision home I HEART VT Vivid Fusion dashboard interface optometric Sue Barry susan barry barry sue stereo sue bundle Checker shadows Edward Adelson shadows blog clinical update viethmuller horopter brain daydream vr daydream headset google vr google daydream COVD College of Optometrists in Vision Development virtual reality crossed eye binocular vision disorder watercolor illusion chromaticity luminance color contrast fixing my gaze techcrunch press buzz media svvr Dr Alex Talaber cto