Eyeball protrusion may be caused by high myopia, carotid cavernous sinus fistula, thyroid eye disease and other reasons.
1. High myopia: high myopia causes the eye axis to elongate, so the eyeball looks prominent is more obvious, in the visual let a person produce a kind of eyeball convex feeling, this cause of eyeball convex belongs to the pseudo eyeball protrusion.
2. carotid cavernous sinus fistula: a more common neuro-ophthalmologic syndrome. The main symptoms are almost all in the eye, the eye performance can be various, with eyeball protrusion, eye redness, see things with heavy shadow, vision loss is more common.
3. Thyroid ophthalmopathy: usually early manifestations of upper and lower eyelid retraction and late fall phenomenon, because the eyelid fissure enlargement, incomplete eye closure, blinking times are reduced, it is easy to cause a foreign body sensation, which led to conjunctival congestion, edema phenomenon, manifested as one side of the eye or both sides of the eyeball protruding.
There are many other causes of protruding eyeballs, and the specific causes need to be examined in the ophthalmology department of a specialized hospital to clarify the cause of the disease and then targeted treatment.