(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.
It may be alarming to see green stool (or other types of weird-looking stool) in the toilet, but there are some common reasons why it can occur. Here are some of the more likely â and more worrisome â causes of green poop. The liver secretes a bright green fluid called bile into the small intestine or it is concentrated and stored in the gallbladder. Bile plays a role in the emulsification, absorption, and digestion of fat and fat-soluble vitamins.