retrobulbar fat

retrobulbar fat

[TA]
the mass of fat contained in the orbit that contributes to the support of the eyeball.
References in periodicals archive ?
Graves' ophthalmopathy usually presents as bilateral, symmetrical enlargement of the extraocular muscles associated with increase in retrobulbar fat volume.
The upward rotation of eye in response to sudden stimulus and also the cushioning effect of retrobulbar fat are also protective.
Orbits are ideal for CT imaging because of large differences in attenuation coefficient of globe, muscles, nerve, vessels and retrobulbar fat.
A Recent Review of the CT Features of Orbital Pseudotumours revealed * Contrast enhancement 95% * Infiltration of the retrobulbar fat 76% * Proptosis 71% * Enlargement of extraocular muscles 57% * Thickening of optic nerve/sheath 38%