These are the most common of the benign functional cysts (functional meaning in response to a normal menstrual cycle). Each time an egg is produced by the ovary a small cyst forms. The cyst is usually very small and ruptures when releasing the egg during ovulation.
Bifocal safety glasses not only protect the doctor (or technician or nurse) and the patient from the spread of infection, but they give the magnification needed to quickly spot the problem and read charts. In fact, we think theyâre as essential as that prescription pad and pen in every doctorâs lab coat pocket.
That's because the lense INSIDE our eye can no longer change shape on demand the way it did when we were younger. Bifocal glasses are a way for your eye doctor to provide you with a tool to help you see at a distance and up close. Bifocal is a compound word, bi meaning two, and focal referring to the focal length. Bifocal glasses have two focal lengths. One focal length allows the wearer to focus at distant objects. The other focal length allows the wearer to focus on closer objects, such as a newspaper or computer screen.