od tuan tuan tran dr tran optometrist High Resolution watercolor illusion chromaticity luminance color contrast vision therapy patient strabismus amblyopia vr vision therapy high resolution Vision therapy tool vision care tool vision therapy device vision treatment vivid field oculus rift hmd head mounted display cris miranda social media marketing cris Hardware james blaha svvr blog covd demo manish gupta gesture tracking vivid vision virtual reality vision therapy Vivid Vision Seevividly vision care device Impossible object blivet widget illusion devils fork knowledge base launcher featured doctor customer success customer support jordan jordan braunstein product product shot home vivid vision home Manish Gupta Virtual reality vision therapy Amblyopia treatment logos news media breaker screenshot leap motion media coverage default End of Year Special 2017 alan purdy unity programmer amblyopia treatment vivid vision clinical instructions eric medine head shot portrait team Vision academy sf games ring runner software visagraph results reading seminar bundle computer xbox controller touchscreen sunao miyoshi sales APR logo small testimonial retina diagram visual system background ken nichols intern game bubbles space screen Hering illusion geometrical optical Ewald Hering engadget press buzz cnbc chart snellen acuity visual acuity promotions banner VR exercise VR bike newsletters Tuan Tran dan fortenbacher dan fortenbacher fcovd wow vision michigan MC Escher Waterfall depth proximity base in base out vergence accommodation Sue Barry susan barry barry sue stereo sue lilac chaser visual illusion pacman illusion alan decorte robert all in one pico goblin box art hardware oculus rift cto VividVision spotlights clinic spotlights Vivid Vision Circle Logo Transparent vision test test fly stereo stereo acuity randot vision therapy tool seevividly gizmodo