temporal arteritis, aka Giant cell arteritis

Basically, temporal arteritis, is an inflammation of the blood vessels in the head, notably in the temporal area (sides of the eyes). It can also affect other vessels in the head, but mainly in the It can lead to vision loss, is more common in women, and usually affects people over 60 although it has been seen in younger individuals. If treated, vision loss can be prevented. Main symptoms are headache, tenderness of head and scalp, vision loss and / or reduction in the ability to see clearly (vision acuity).