| 释义 |
asteroid hyalosis
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.as·ter·oid hy·a·lo·sisnumerous small spheric bodies ("snowball" opacities) in the corpus vitreum, visible ophthalmoscopically; an age change, usually unilateral, and not affecting vision.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. 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 hyalosisasteroid 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. |