In other words, itâs the amount of weight your tire can support safely. For example, if a tire has a load index of 92, it can support 1,389 pounds at maximum air pressure. Multiply that by four tires (4 x 1,389 = 5,556 pounds) to get your carâs maximum loadâcarrying capacity.
Other causes of headaches that are situated behind the eye include: Tension headaches are some of the more common headaches that develop behind the eyes. This can be caused by stress, eye strain or lack of sleep. These headaches normally go away as soon as the individual gets enough rest. Headaches behind the eyes may be due to one of the following problems of the eye:
Most commonly, causes of headache above right eye are located in the eye itself such as irritation, infection, a wound, or an existing eye disease like glaucoma or inflammation of the conjunctiva.  Tenderness of the sinuses and allergies can be very irritating, and may also be a cause for headache or pain in the eye. Below are some possible causes for headache above your right eye: 1. Cluster Headache. Cluster headaches, as the name implies, are extreme, sharp, pricking pain that occur on a common area around the head, which includes above the right eye. They tend to recur several times a day for weeks to months. According to the National Institutes of Health, cluster headaches occur more commonly in men than in women. It is not known as to what causes the headache but it is believed to be connected to ...