titmus fly test stereopsis test suppression test vectograph 3d vision binocular vision amblyopia strabismus lazy eye Vizen Optometric Center vivid vision provider vision therapy San Gabriel California optometrist High Resolution paul harris covd oep high resolution vr Vision therapy tool vision care tool vision therapy device vision treatment Vivid Vision Seevividly vision care device cover hygiene visual system logo optometry comprehensive eye exam Ben Backus Chief Science Officer vividly aware newsletter john drake john games game design success story testimonial Gregory Kitchener Optometrist Vision Therapy Cincinnati Ohio Tuan Tran Virtual reality vision therapy convergence insufficiency treatment vivid vision box software Monica Fehrs VRVT Technical Specialist alan decorte BABO vision therapy doctor blog childrens vision binocular vision disorder patching eye patching field vivid eyeglasses I HEART VT bundle seminar wired press buzz media James Blaha vrvt diplopia apollo vr vive image default podcasts crossed eye squint patient success story strabismus surgery WOW Vision Therapy visagraph reading eye tracking Canada importance of eye exams digital endpoints ophthalmic clinical trials clinical trials VVP vivid vision perimetry stimulus placement tool AMD glaucoma OCT retinal image Pia Amblyopia Picture book Story book set up highlight vivid vision home comprehensive exam dr paul harris product shot pc rift box art markdown reference github stereovision susan barry stereo sue fixing my gaze visionary data page animation stats zoom shumaker girl virtual reality manish gupta virtual reality vision therapy amblyopia treatment PhD DIC FAAO FCOVD Vivid Vision South East Asia Simultaneous Contrast Illusion monochrome gradated horizontal bar gift clinical update IRS patient testimonial WOW vision therapy certified provider voices stevenson jones opticians verde medical clinic clinical Vivid Vision team newsletters arvind gupta advisor portrait sosventures knowledge base launcher Vivid vision small refractive amblyopia headaches dr david maze chicago vision therapy strabismic amblyopia seevividly Michigan State special Olympics oculus hmd head mounted display ben backus science advisor breaker screenshot leap motion patient virtual reality for strabismus add a user Ken Nichols Director of Customer Support Ambiguity of Direction illusion depth perception