My "SUPERHEROES IN SCRUBS" from our August 28, 2012, Houston homeless/indigent vision and medical care outreach. All services for 91 patients from a local Houston-are shelter were provided free of charge, including: glaucoma testing, full eye exam by licensed optometrists, reading and prescription eyeglasses, some OTC medication, and wellness check-up with diabetes and hypertension testing! Superheroes that made a "WORLD of Difference" that day included: Dr. Ika Nyowheoma (