blog paul harris sco professor od High Resolution ken nichols vivid vision intern base in base out vergence accommodation amblyopia bundle computer leap motion xbox controller touchscreen blog header default announcements markdown reference github breaker screenshot tuan tran virtual reality vision therapy vr vision therapy high resolution Vision therapy tool vision care tool vision therapy device strabismus vision treatment Vivid Vision Seevividly vision care device Testimonial background backgdrop deepstreamvr howard rose diplopia seevividly Manish Gupta Virtual reality vision therapy Amblyopia treatment time logo press buzz media Hering illusion geometrical optical Ewald Hering alan purdy unity programmer Vivid Vision Optometry doctor locator clinic optometry small oculus rift hmd head mounted display infographic dichoptic visagraph results reading logos news gizmodo dan fortenbacher wow vision optometrist michigan grand rapids st joseph dan fortenbacher fcovd Ambiguity of Direction illusion depth perception 20 percent off discount badge covd seminar Illusory Motion fixation jitter visual cortex rotsnake promotions banner gear vr samsung headset samsung vr samsung gear vr samsung gear portrait advisor data page stats featured doctor watercolor illusion chromaticity luminance color contrast dr paul harris Tuan Tran vivid vision clinical product shot Impossible object blivet widget devils fork vision therapy tool vivid vision home home instructions gear VR box art james blaha header importance of eye exams James Blaha software hardware oculus rift ring runner space screen Sue Barry susan barry barry sue stereo sue oxavi cms svvr vivid field vive image preview hoopie game treatment plan Hardware events alan decorte games tuan fixing my gaze daydream vr daydream headset google vr google daydream