It refers to outward displacement of eye ball along the margine of the orbit. It is very synonimous to "exophthalmos" but it is related to Thyroid diseases where "proptosis " doesnot.Classsification: 1.Unilateral proptosis 2.Bilateral proptosis 3.Acute proptosis 4.Intermittent proptosis & 5.Pulsating proptosisAetiology: Orbital cyst, foriegn body invagination, blow out fracture, cavernous thrombophleb...
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