Asteroid hyalosis
Asteroid Hyalosis
Asteroid Hyalosis (pronunciation: as·ter·oid hy·a·lo·sis) is a degenerative condition of the eye characterized by the presence of small, white, opacities in the vitreous humor, often described as looking like stars in the night sky.
Etymology
The term "Asteroid Hyalosis" is derived from the Greek words "asteroeides" meaning star-like, and "hyalos" meaning glassy, referring to the appearance of the condition.
Definition
Asteroid Hyalosis is a benign, degenerative condition, typically unilateral, affecting the vitreous body of the eye. It is characterized by the presence of small, white, opacities suspended in the vitreous humor, giving a starry-sky appearance. These opacities are composed of calcium soaps and lipids.
Symptoms
The condition is usually asymptomatic and is often discovered incidentally during routine ophthalmic examination. In some cases, the opacities may cause mild visual impairment.
Diagnosis
Diagnosis of Asteroid Hyalosis is primarily based on clinical examination using slit-lamp biomicroscopy and ophthalmoscopy. In some cases, B-scan ultrasonography may be used to confirm the diagnosis.
Treatment
There is no specific treatment for Asteroid Hyalosis as it does not typically affect vision. However, in cases where vision is significantly affected, vitrectomy may be considered.
Related Terms
External links
- Medical encyclopedia article on Asteroid hyalosis
- Wikipedia's article - Asteroid hyalosis
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