cafe wall illusion geometricaloptical High Resolution james blaha diplopia vr transformation Impossible object blivet widget illusion devils fork vividly aware newsletter reading problem convergence insufficiency phone trouble reading Sue Barry susan barry barry sue stereo sue vision therapy IRS End of Year Special 2017 visagraph results strabismus reading lazy eye crossed eye amblyopia vectogram vision therapy equipment instructions home clinical vivid vision clinical vr high resolution Vision therapy tool vision care tool vision therapy device vision treatment Vivid Vision Seevividly vision care device success story testimonial childrens vision patching strabismus surgery atropine vivid vision conference northwestern congress Susan Barry Stereo Sue markdown reference github logo png transparent game worth 4 dot worth four dot w4lt binocular vision vision test suppression eye examination COMOF vision therapy mexico BABO optometry research poster arvo 2019 cindy ho knowledge base launcher breaker 20 percent off discount badge importance of eye exams stereopsis 3D vision depth perception exotropia esotropia manish gupta cto portrait Monica Fehrs VRVT Technical Specialist color colors color scheme cover test intermittent stereovision 3d vision fixing my gaze research vivid vision home version john drake john games game design CI barnyard bounce product product shot vivid vision home dan fortenbacher wow vision od optometrist michigan grand rapids st joseph visual fixation eye movements pencil push-up eye exercises double vision eyes vividvisionhome licensespecial 6for4 covd demo gesture tracking wired press buzz media Hardware brock string visual training bubbles screenshot lilac chaser visual illusion pacman illusion vision pediatric vision vision screening vision and learning aminaweed vrvt visiontherapist fixinglazyeye Tuan Tran OD VR vision therapy see vividly mary vanhoy eyes 4 wellness featured doctor Ken Nichols Director of Customer Support eye patch eye patching medical eye patch types of eye patch gear VR box art MC Escher Waterfall depth proximity Ben Backus Chief Science Officer blog dan fortenbacher fcovd girl shumaker rift small default events faq vision therapy patient svvr cnbc media coverage Testimonial gizmodo announcements optical illusion Illusory Motion fixation jitter visual cortex rotsnake vive image gift clinical update virtual reality child eye turn paul harris