background backgdrop High Resolution VR exercise VR bike stereo sue fixing my gaze susan barry vr vision therapy high resolution Vision therapy tool vision care tool vision therapy device amblyopia strabismus vision treatment Vivid Vision Seevividly vision care device Hardware vive image visual system stereo depth 3d optical illusion james blaha blaha ceo portrait product product shot vivid vision home vivid vision home Ponzo illusion parallel lines depth perception monocular cues MC Escher Waterfall proximity illusion retina diagram babo tuan tran base in base out vergence accommodation gizmodo logo press buzz media Vivid Vision Optometry eric medine head shot team Manish Gupta Virtual reality vision therapy Amblyopia treatment vision therapy patient robert reading bundle computer leap motion xbox controller touchscreen blog covd seminar small Oculus Rift Orange Blue Light UVEA UVEA Mediklinik Vivid Vision Europe virtual reality vision therapy research poster ARVO 2019 Cindy Ho vivid field instructions clinical vivid vision clinical breaker screenshot VividVision spotlights clinic spotlights Vivid Vision Circle Logo Transparent box software knowledge base launcher paul harris happy holidays figure ground organization gestalt psychology pc rift box art James Blaha oep sunao miyoshi sales APR cris miranda lazy eye convergence insufficiency treatment gear VR bubbles gameplay testimonial success story importance of eye exams vivid vision home version ebbinghaus illusion titchener circles manish gupta demo dan fortenbacher wow vision od optometrist michigan grand rapids st joseph conference northwestern congress visagraph eye tracking promo diplopia vr transformation games ring runner VR vision therapy see vividly vive vr vive headset htc vive vr htc vr htc vive research featured doctor tuan oculus hmd head mounted display Hering illusion geometrical optical Ewald Hering blog header