The Orbit is the bony socket that contains and protects the eye. It also contains blood vessels, ligaments, muscles and nerves that help the eye move and see. Fat cushions these structures in the orbit. In the top outer corner of orbit sits the lacrimal gland. This produces tears helping keep the eye moist. Several different tumours can develop within the orbital cavity. Some are benign, some are malignant. This can cause double vision, decreased vision, and make the eye stick out (proptosis- picture above)
Please see the different orbital tumours below.