(June 2010) (Learn how and when to remove this template message) Base curve radius, or simply base curve, abbreviated BCR or BC, is the measure of one important parameter of a lens in optometry. On a spectacle lens, it is the flatter curvature of the front surface.
Green stool â when your feces look green â is usually the result of something you ate, such as spinach. Certain medications or iron supplements can also cause green stool. Newborns pass a dark green stool called meconium, and breast-fed infants often produce yellow-green stools. In older children and adults, green stool is uncommon. It's rarely cause for concern. Causes.
Why is my poop green? Stool colors explained. Poop can turn green for a number of reasons, these include eating a lot of high-chlorophyll plants, like spinach or kale, taking a course of antibiotics, or a bacterial infection. Although rarely a cause for concern, changes in poop color should be explored.