(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.
What it is: Frothy green poop. When: Rare. What you need to know: Green, frothy stools are often a sign of a foremilk/hindmilk imbalance in a breastfed baby, so if you see foamy green poo, call your pediatrician or lactation consultant. Foremilk, the first milk you baby gets during a feeding, is thin and watery.