Floater
Floater
Floater (/ˈfloʊtər/) is a term used in the field of Ophthalmology to describe the specks or threads that seem to float in the field of vision. The term is derived from the English word "float", which means to rest or move on or near the surface of a liquid without sinking.
Definition
A floater is a tiny piece of debris that floats in the Vitreous Humor, the clear, gel-like substance that fills the inside of the eye. These floaters can appear as small specks, dots, circles, lines, or cobwebs in the field of vision.
Causes
Floaters are usually caused by age-related changes in the eye. As a person ages, the vitreous humor can start to shrink and pull away from the retina, leading to the formation of floaters. Other causes can include inflammation in the back of the eye, bleeding in the eye, or a torn retina.
Symptoms
The primary symptom of floaters is the appearance of floating specks or threads in the field of vision. These floaters can move as the eyes move and seem to dart away when the eyes try to look at them directly.
Treatment
In most cases, floaters do not require treatment as they are a normal part of aging. However, if they become so numerous or large that they significantly affect vision, a procedure called a Vitrectomy may be performed to remove the vitreous humor and replace it with a salt solution.
Related Terms
External links
- Medical encyclopedia article on Floater
- Wikipedia's article - Floater
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