Perimeter
Perimeter (Medicine)
Perimeter (pronunciation: /pəˈrɪmɪtər/) is a term used in the field of Ophthalmology to refer to a device that measures the field of vision.
Etymology
The term 'Perimeter' is derived from the Greek words 'peri' meaning around and 'metron' meaning measure.
Definition
In medical terms, a Perimeter is a device used by Ophthalmologists to measure the field of vision of a patient. It helps in detecting and monitoring various eye conditions such as Glaucoma, Retinitis Pigmentosa, and Macular Degeneration.
Usage
The Perimeter is used in a procedure known as Perimetry, which is a test that measures all areas of your vision, including your side, or peripheral, vision. This test can help find patterns of vision loss and is a key tool in the diagnosis of eye conditions.
Related Terms
- Perimetry: The measurement of the field of vision.
- Visual Field: The total area in which objects can be seen in the side (peripheral) vision as you focus your eyes on a central point.
- Ophthalmology: The branch of medicine that deals with the diagnosis, treatment, and prevention of diseases of the eye and visual system.
- Glaucoma: A group of eye conditions that damage the optic nerve, the health of which is vital for good vision.
- Retinitis Pigmentosa: A group of rare, genetic disorders that involve a breakdown and loss of cells in the retina.
- Macular Degeneration: An eye disease that progressively destroys the macula, the central portion of the retina, impairing central vision.
External links
- Medical encyclopedia article on Perimeter
- Wikipedia's article - Perimeter
This WikiMD dictionary article is a stub. You can help make it a full article.
Languages: - East Asian
中文,
日本,
한국어,
South Asian
हिन्दी,
Urdu,
বাংলা,
తెలుగు,
தமிழ்,
ಕನ್ನಡ,
Southeast Asian
Indonesian,
Vietnamese,
Thai,
မြန်မာဘာသာ,
European
español,
Deutsch,
français,
русский,
português do Brasil,
Italian,
polski