So if a truck's GVWR is 10,000 pounds, that's the most the manufacturer and government have certified the truck to possibly weigh with fuel, passengers, and cargo. These classes exist for safety regulation, commercial designation, and registration purposes.
More serious causes of eye redness include infections. Infections can occur in different structures of the eye and typically produce additional symptoms such as pain, discharge, or changes in your vision. Infections that can cause eye redness include: inflammation of the follicles of the eyelashes, called blepharitis.
The hallmark sign of pink eye is a pink or reddish appearance to the eye due to inflammation and dilation of conjunctival blood vessels. Depending on the type of conjunctivitis, signs and symptoms can vary. Common symptoms include: Red, itchy, watery and burning eyes.