(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? There are many possible green poop causes. In the vast majority of cases itâs caused by consuming a lot of chlorophyll (a green pigment found in most plants). Vegetables that are rich in iron such as spinach and broccoli can also cause your stool to turn green. Excess iron in your body caused by iron supplements may have the same result. So, if you have been eating a lot of green or leafy vegetables or taking iron supplements you may already know whatâs causing your green feces.