The lens helps the eye to focus on images.
"The Lens. The lens is composed of transparent, flexible tissue and is located directly behind the iris and the pupil. It is the second part of your eye, after the cornea, that helps to focus light and images on your retina."
Heart Disease,Hypertension,Obesity,Diabetes and Depression are all health risks of sleep deprivation.
Characterized by an inadequate number of circulating red blood cells due to the premature destruction of red blood cells by the spleen. ... A group of bone marrow disorders that are characterized by the insufficient production of one or more types of blood cells due to dysfunction of the bone marrow.
