An example of the use of calculus in mechanics is Newton's second law of motion: historically stated it expressly uses the term rate of change which refers to the derivative saying The rate of change of momentum of a body is equal to the resultant force acting on the body and is in the same direction.
Symptoms of conjunctivitis can include. 1  Pink or red color in the white of the eye(s) (often one eye for bacterial and often both eyes for viral or allergic conjunctivitis). 2  Swelling of the conjunctiva (the thin layer that lines the white part of the eye and the inside of the eyelid) and/or eyelids. 3  Increased tearing.
Bacterial eye infections can be very serious as they can affect the front, middle and / or back of the eyes. An examination by an ophthalmologist to ensure that vision is normal and that an infection does not threaten sight is important. Bacterial eye infections are treated with antibiotics and are followed closely by a physician.