In addition to standard warranties on new items, third parties or manufacturers may sell extended warranties (also called service contracts). These extend the warranty for a further length of time. However, these warranties have terms and conditions which may not match the original terms and conditions.
Burst blood vessel in the eye. Straining, coughing or injuring your eye can sometimes cause a blood vessel to burst on the eye surface, causing a bright red blotch. This is called a subconjunctival haemorrhage.
Damaged blood vessels due to diabetic retinopathy can cause vision loss and blindness two ways: 1  Fluid leaks into the center of the retina, called the macula. This area of the retina is where central vision takes place. 2  In proliferative retinopathy, new and abnormal blood vessels grow.