asteroid hyalosis

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hyalosis

 [hi″ah-lo´sis]
degenerative changes in the vitreous humor.
asteroid hyalosis the presence of spherical or star-shaped opacities in the vitreous humor.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

as·ter·oid hy·a·lo·sis

numerous small spheric bodies ("snowball" opacities) in the corpus vitreum, visible ophthalmoscopically; an age change, usually unilateral, and not affecting vision.
Farlex Partner Medical Dictionary © Farlex 2012

as·ter·oid hy·a·lo·sis

(as'tĕr-oyd hī'ă-lō'sis)
Numerous small refractive spheric bodies in the vitreous (composed of calcium soaps), visible ophthalmoscopically; change related to aging, usually unilateral, and not affecting vision.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

Benson,

Alfred Hugh, Irish ophthalmologist, 1852-1912.
Benson disease - small spherical bodies in corpus vitreum, a unilateral age change which does not affect vision. Synonym(s): asteroid hyalosis
Medical Eponyms © Farlex 2012

asteroid hyalosis 

Degenerative changes occurring more commonly in males and mainly in one eye. It consists of numerous small stellate or discoid opacities (called asteroid bodies) suspended in the vitreous humour. These opacities appear creamy white when viewed by ophthalmoscopy. They rarely affect vision. Syn. Benson's disease. See synchysis scintillans.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann