Checker shadows Edward Adelson illusion shadows the verge logo press buzz media default virtual reality High Resolution visagraph reading eye tracking color colors vivid vision color scheme clinical product shot optometry vision therapy fast company IRS markdown reference github Susan Barry Stereo Sue vr high resolution Vision therapy tool vision care tool vision therapy device amblyopia strabismus vision treatment Vivid Vision Seevividly vision care device Testimonial gear vr samsung headset samsung vr samsung gear vr samsung gear bundle computer leap motion xbox controller touchscreen gear VR box art time diplopia seevividly logos news Manish Gupta Virtual reality vision therapy Amblyopia treatment Hardware doctor locator clinic Impossible object blivet widget devils fork Sue Barry susan barry barry sue stereo sue home vivid vision clinical instructions Vision academy sf alan decorte cover test exotropia intermittent Vivid Vision Optometry blog base in base out vergence accommodation preview hoopie screenshot game Tuan Tran OD optometrist conference figure ground organization gestalt psychology john drake john games game design engadget stereo depth 3d optical illusion pc rift test vision ring runner space screen nathan bonilla warford nathan bonillawarford birght eyes vision care bright eyes od james blaha vision therapy tool vision care dev cris miranda social media marketing cris ken nichols intern Skip Rift Setup featured doctor tuan tran virtual reality vision therapy treatment plan paul harris sco professor End of Year Special 2017 manish gupta amblyopia treatment vivid vision home fixing my gaze tuan dr tran customer success customer support jordan jordan braunstein data page animation stats Oculus Rift Orange Blue Light wired time magazine the huffington post tech crunch cnbc babo importance of eye exams daydream vr daydream headset google vr google daydream vivid field vr transformation alan purdy unity programmer aoa optometrys meeting newsletters shumaker rising star optometry announcements dr paul harris dr nate betsy yaros breaker header