Artangel: Mixed media crumpled tissue technique - tutorial - basically, glue tissue paper over a canvas, let dry. Paint, let dry, then rub pastel or chalk over the surface to highlight the texture. Would be an awesome way to vignette around a painting.
On this list of fruits and vegetables, the vitamin K in green foods also helps with vision, and with maintaining strong bones and teeth. Description from pinterest.com. I searched for this on bing.com/images