One eye sticks out, the other doesn't. What's going on?

1. Eye trauma

When

one eye is hit by external force, it may lead to local soft tissue damage, even orbital bleeding, resulting in exophthalmos.

2. Sclerosis Sclerosis

is the outer structure of the eyeball. When one eye has scleritis, it may lead to swelling and thickening of local tissues, resulting in exophthalmos.

3. Orbital cellulitis

Orbital cellulitis patients due to inflammation stimulation, may lead to local soft tissue and extraocular muscle edema and proliferation, resulting in exophthalmos. When it only occurs in one eye, the above manifestations will occur.