Glaucoma is a group of diseases that damage the eyeâs optic nerve and can result in vision loss and blindness. However, with early detection and treatment, you can often protect your eyes against serious vision loss. The optic nerve. The optic nerve is a bundle of more than 1 million nerve fibers.
How long should my brakes last? Depending on the application brake pads should last anything from 15,000 to 70,000 kilometres. If you feel that your brake pads are wearing out prematurely you may need to have your mechanic install heavier duty, temperature resistant brakes pads such as Bendix Heavy Duty.
Modern cars have brakes on all four wheels, operated by a hydraulic system. The brakes may be disc type or drum type. The front brakes play a greater part in stopping the car than the rear ones, because braking throws the car weight forward on to the front wheels. Many cars therefore have disc brakes, which are generally more efficient, at the front and drum brakes at the rear.