Wadjet, known to the Greek world as Uto or Buto among other renderings including Wedjat, Uadjet, and Udjo, was originally the ancient Egyptian local goddess of the city of Dep or Buto in Lower Egypt, which was an important site in prehistoric Egypt. Wadjet's worship originally started in the Predynastic period, but evolved over time from a local goddess to a patron goddess.
Wadjet in the form of a winged cobra, depicted in the Tomb of Nefertari, above Anubis (Jackal-like).
Wadjet, depicted as a lioness, with a rearing cobra on her crown.
Depiction of pharaoh presenting the Wadjet eyes (this portion no longer survives), to the god Haroeris so that he will ritually cleanse them. This is found within an inscription within the relief. From the Temple of Kom Ombo.
Engraving of surgical instruments including the Wadjet eye, from the Temple of Kom Ombo.
Buto, Bouto, Butus or Butosus was a city that the Ancient Egyptians called Per-Wadjet. It was located 95 km east of Alexandria in the Nile Delta of Egypt. What in classical times the Greeks called Buto, stood about midway between the Taly (Bolbitine) and Thermuthiac (Sebennytic) branches of the Nile, a few kilometers north of the east-west Butic River and on the southern shore of the Butic Lake.
View of Buto