od tuan tuan tran dr tran optometrist High Resolution Monica Fehrs VRVT Technical Specialist product product shot vivid vision home vivid vision home logo OEP OEPF Optometric Extension Program Foundation Vision Therapy organization dr nate betsy yaros high resolution Checker shadows Edward Adelson illusion shadows sports vision vision therapy athletics visual performance Ken Nichols Director of Customer Support vr Vision therapy tool vision care tool vision therapy device amblyopia strabismus vision treatment Vivid Vision Seevividly vision care device arvind gupta advisor portrait sosventures diplopia seevividly Michigan State special Olympics patient Tuan Tran OD conference ben backus science advisor success story testimonial Ponzo illusion depth perception monocular cues hypertropia vergence disorders exotropia divergence excess strabismic refractive esotropia box software COMOF vision therapy mexico bundle computer leap motion xbox controller touchscreen base in base out vergence accommodation happy holidays stereopsis 3D vision lazy eye convergence insufficiency clinical optometry visual fixation eye movements pencil push-up eye exercises double vision eyes vision therapy tool data page animation stats AAOpt american academy of optometry AAO john drake john games game design Ben Backus Chief Science Officer vive vr vive headset htc vive vr htc vr htc vive treatment blog childrens vision binocular vision disorder patching eye patching vivid vision certified provider blog post Ambiguity of Direction UVEA UVEA Mediklinik Vivid Vision Europe alan purdy unity programmer certified provider voices stevenson jones opticians wired the verge time time magazine the huffington post tech crunch fast company cnbc COVTR vision therapy Canada all in one pico goblin box art babo gift clinical update Hardware covd seminar VR exercise VR bike test vision intermittent cover test color colors color scheme girl shumaker rift small certified provider vivid vision provider vision therapy doctor Vivid Vision Optometry vive image system promo visual system deepstreamvr howard rose techcrunch press buzz media header research poster ARVO 2019 Cindy Ho Virtual reality vision therapy background backgdrop watercolor illusion chromaticity luminance color contrast eye tracking reading problem see an optometrist symptoms Vivid Vision Circle Logo Transparent james blaha blaha ceo manish gupta virtual reality vision therapy amblyopia treatment visagraph results reading child eye turn vision care dev parallel lines