Fundus photography
Fundus Photography
Fundus photography (pronounced: /ˈfʌndəs fəˈtɒɡrəfi/) is a specialized form of medical imaging that provides a detailed view of the back of the eye, known as the fundus.
Etymology
The term "fundus" is derived from the Latin word for "bottom" or "base," referring to the base of the eye. "Photography" comes from the Greek words "photos" (light) and "graphe" (drawing), meaning drawing with light.
Description
Fundus photography is used to document and monitor the progression of various ocular diseases, such as diabetic retinopathy, macular degeneration, and glaucoma. The procedure involves the use of a fundus camera, a specialized low power microscope with an attached camera designed to photograph the interior surface of the eye.
Procedure
The patient's eyes are first dilated using mydriatic eye drops to allow a clear view of the fundus. The patient is then asked to look into the fundus camera, and a series of photographs are taken. The resulting images can be used to identify and monitor changes in the eye over time.
Related Terms
- Ophthalmoscopy: A test that allows a health professional to see inside the fundus of the eye and other structures using a magnifying instrument and a light source.
- Retina: The light-sensitive layer of tissue at the back of the inner eye that transmits visual messages through the optic nerve to the brain.
- Optic disc: The point of exit for ganglion cell axons leaving the eye.
- Macula: A small area in the retina that contains special light-sensitive cells and allows us to see fine details clearly.
External links
- Medical encyclopedia article on Fundus photography
- Wikipedia's article - Fundus photography
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