manish gupta vivid vision virtual reality vision therapy amblyopia treatment high resolution vr vision therapy Vision therapy tool vision care tool vision therapy device amblyopia strabismus vision treatment conference northwestern congress High Resolution Tuan Tran Vivid Vision Virtual reality vision therapy betsy yaros patient blog header product product shot home vivid vision home paul harris Seevividly vision care device default announcements logo circle arvind gupta advisor portrait sosventures Hardware stereo sue fixing my gaze susan barry eye colorful vision End of Year Special 2017 cto Simultaneous Contrast Illusion monochrome gradated horizontal bar small all in one pico goblin box art featured doctor watercolor illusion chromaticity luminance color contrast james blaha blaha ceo Vivid Vision Optometry Manish Gupta Amblyopia treatment Hering illusion geometrical optical Ewald Hering James Blaha vrvt diplopia apollo vr vr transformation importance of eye exams mary vanhoy eyes 4 wellness blog vision therapy tool seevividly tuan tran knowledge base add a user launcher banner research visagraph reading eye tracking Impossible object blivet widget illusion devils fork VividVision spotlights clinic spotlights zoom shumaker girl virtual reality SRC Melbourne See Vividly VR Vision therapy infographic dichoptic vision test test fly stereo stereo acuity randot vision care d time press buzz media bundle computer leap motion xbox controller touchscreen success story testimonial Illusory Motion fixation jitter visual cortex rotsnake dr paul harris the verge clinical optometry covd oep vivid vision clinical alan decorte software box Checker shadows Edward Adelson shadows hardware oculus rift faq field vivid results breaker screenshot 20 percent off discount badge treatment plan ken nichols intern cris miranda social media marketing cris OD optometrist visual system tuan Vivid Vision team demo