LIVING ART ENTERPRISES / SCIENCE PHOTO LIBRARY LIVING ART ENTERPRISES / SCIENCE PHOTO LIBRARY
This color enhanced axial (cross sectional) CT reconstruction of the orbits (where the eyes are) demonstrates marked thickening of all of the extraocular muscles within the orbits.This person also has bilateral proptosis (eyes bulging). This is the result of Grave's disease also called thyroid opthalmopathy which is an autoimmune disorder. Patients can be euthyroid, hyperthyroid or hypothyroid. The blue muscles are the lateral rectus. The purple muscles are the medial rectus and the optic nerves are light red. The lens of the eye are the small ovoid red structures. The scleral layer of each eye is yellow and the vitreus of the eyes are green.
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