hyalosis

hyalosis
Degenerative changes in the vitreous body. [hyalo- + G. -osis, condition]
- asteroid h. numerous small spherical bodies (“snowball” opacities) in the corpus vitreum, visible ophthalmoscopically; an age change, usually unilateral, and not affecting vision.
- punctate h. a condition marked by minute opacities in the vitreous.

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hy·a·lo·sis (hi″ə-loґsis) [hyal- + -osis] degenerative changes in the vitreous body.

Medical dictionary. 2011.

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  • Asteroid hyalosis — is a degenerative condition of the eye involving small white opacities in the vitreous humor. It is known to occur in humans, dogs, and chinchillas. [cite journal |author=Wang M, Kador P, Wyman M |title=Structure of asteroid bodies in the… …   Wikipedia

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  • asteroid hyalosis — a degenerative condition, formerly known as asteroid hyalitis, in which tiny deposits of calcium are suspended in the vitreous humour. They are more commonly seen in the elderly and usually cause no decrease in vision. * * * a condition of the… …   Medical dictionary

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  • hyalitis — SYN: vitreitis. suppurative h. purulent vitreous humor due to exudation from adjacent structures, as in panophthalmitis. * * * hy·a·li·tis .hī ə līt əs n 1) inflammation of the vitreous body of the eye …   Medical dictionary

  • opacity — 1. A lack of transparency; an opaque or nontransparent area. 2. On a radiograph, a more transparent area is interpreted as an o. to x rays in the body. 3. Mental dullness. [L. opacitas, shadiness] nodular o. a solitary, round, circumscribed… …   Medical dictionary

  • hialosis — Eng. Hyalosis Trastorno degenerativo del vítreo …   Diccionario de oftalmología

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