A mucocele of the eye develops when the drainage of normal sinus secretions is disrupted due to infection, allergy, injury, or congenital narrowing of the drainage pathways.
Lymphangiomas are not considered tumors, but are developmental defects, representing non-functioning benign vascular malformations that extend throughout the orbit and sometimes the oropharynx.
Idiopathic orbital inflammation (formerly known as pseudotumor of the orbit) is a rare pathology that is a non-neoplastic, non-infectious, volumetric lesion of the orbit.
Nasoorbital mucormycosis is a rare opportunistic infection caused by fungi of the Mucoruceae family, usually affecting patients with diabetic ketoacidosis or immunosuppression.
From 30 to 50% of patients with endocrine ophthalmopathy suffer from ophthalmoplegia, which can be permanent. Limitation of eye mobility is initially associated with inflammatory edema and later - fibrosis.
