Ambiguity of Direction illusion depth perception vivid vision logo png transparent High Resolution Vivid Vision team high resolution vivid vision home product shot Vivid Vision Optometry default events time press buzz media vr vision therapy Vision therapy tool vision care tool vision therapy device amblyopia strabismus vision treatment Vivid Vision Seevividly vision care device vision test test fly stereo stereo acuity randot vision intermittent exotropia cover test cnbc markdown reference github tuan tran robert reading james blaha seevividly vision therapy tool vision care dev od tuan dr tran optometrist James Blaha home vivid vision clinical instructions small infographic dichoptic game bubbles screenshot blog dan fortenbacher wow vision michigan grand rapids st joseph knowledge base launcher software box Sue Barry susan barry barry sue stereo sue promo rift vr rift headset facebook vr headset facebook rift rift sunao miyoshi sales portrait APR featured doctor engadget shumaker rising star optometry babo bundle computer leap motion xbox controller touchscreen circle Hardware manish manish gupta cto vrvt diplopia apollo vr conference northwestern congress visagraph results product advisor field vivid Hering illusion geometrical optical Ewald Hering importance of eye exams background backgdrop blog header alan decorte hardware oculus rift Vision academy sf covd nathan bonilla warford nathan bonillawarford birght eyes vision care bright eyes newsletters ring runner space screen clinical optometry Manish Gupta Virtual reality vision therapy Amblyopia treatment blaha ceo vive image zoom girl virtual reality wired the verge time magazine the huffington post tech crunch fast company fixing my gaze treatment plan demo gesture tracking daydream vr daydream headset google vr google daydream Michigan State special Olympics doctor locator clinic watercolor illusion chromaticity luminance color contrast VividVision spotlights clinic spotlights data page animation stats oculus hmd head mounted display