The vitreous is a gelatinous material that fills eye inside.
The vitreous changes with aging becoming smaller until it detaches from the head of the optic nerve: posterior vitreous detachment.
Patient complains about of flashes of light and visions of flying flies.
Posterior vitreous detachment can present complications that can even lead to retinal detachment.
The patient must go for an ocular examination to evaluate the presence of complications
Diagnosis is made with eye examination and a ocular fundus examination in mydriasis.

Pathologies