Ancient prosthetic eye from Iran: On the side of the eye drilled small holes through which you can drag the thread and hook them into an empty eye socket. A detailed study of the eye showed strong signs of wear indicating frequent use. This probably caused an abscess on the eyelid. The owner was a young woman, between 25 and 30 years old, and the cause of her death is not known. She lived between 2900 and 2800 BC .