synchisis scintillans

synchisis scintillans 

Degenerative condition occurring in old eyes, in myopia, or after injuries and inflammation of the eye (e.g. posterior uveitis) and characterized by the presence of bright, shiny particles floating in a liquified vitreous body. The particles are believed to be composed of cholesterol. Vision may be impaired if the particles float across the visual axis but is restored when the eye is immobile, as they settle at the bottom of the vitreous. See asteroid hyalosis; floaters; vitreous humour; uveitis.

Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann