zach fuchs ucsf study virtual reality vision therapy vr vision therapy high resolution 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 james blaha vivid vision seevividly vision therapy tool vision care dev success story testimonial small logo vision therapist COVT High Resolution eye colorful vision girl shumaker rift visagraph reading eye tracking paul harris sco professor od convergence insufficiency covd cris miranda knowledge base launcher Ponzo illusion parallel lines depth perception monocular cues png transparent default announcements breaker screenshot OEP OEPF Optometric Extension Program Foundation Vision Therapy organization ken nichols intern Sue Barry susan barry barry sue stereo sue ACBO Australasian College of Behavioural Optometrists base in base out vergence accommodation products low vision lighthouse oculus hmd head mounted display conference northwestern congress sunao miyoshi sales portrait APR arvind gupta advisor sosventures Hardware the verge press buzz media Vivid Vision Circle Logo Transparent reading problem phone trouble reading research poster ARVO 2019 Cindy Ho markdown reference github vivid vision clinical product shot blog research preview hoopie game importance of eye exams tuan tran certified provider vivid vision provider vision therapy doctor ring runner space screen Susan Barry Stereo Sue Manish Gupta Virtual reality vision therapy Amblyopia treatment podcasts ebbinghaus illusion titchener circles vivid field visual system COMOF vision therapy mexico James Blaha vrvt diplopia apollo vr Skip Rift Setup eric medine head shot team aoa optometrys meeting headache blurry vision double vision featured doctor MC Escher Waterfall depth proximity illusion clinical optometry banner vr transformation fixing my gaze dan fortenbacher dan fortenbacher optometrist fcovd wow vision michigan betsy yaros patient dr nate manish gupta demo gesture tracking Oculus Rift Orange Blue Light blog header End of Year Special 2017 vision therapy patient Illusory Motion fixation jitter visual cortex rotsnake eye patch eye patching medical eye patch types of eye patch