Maddox wing
Maddox Wing
The Maddox Wing (pronounced: /ˈmædɒks wɪŋ/) is a diagnostic tool used in optometry and ophthalmology to measure heterophoria, a condition where the eyes are not properly aligned when focusing on an object.
Etymology
The Maddox Wing is named after its inventor, Ernest Maddox, a British ophthalmologist who developed the device in the early 20th century. The term "wing" refers to the wing-like shape of the device.
Usage
The Maddox Wing is a handheld device that consists of a series of numbered prisms. The patient looks through the device at a light source, and the examiner adjusts the prisms until the patient reports that the light appears to be in a straight line. This allows the examiner to measure the degree of heterophoria.
Related Terms
- Heterophoria: A condition where the eyes are not properly aligned when focusing on an object. It can be measured using the Maddox Wing.
- Prism (optics): A transparent optical element with flat, polished surfaces that refract light. The Maddox Wing uses a series of numbered prisms to measure heterophoria.
- Ernest Maddox: The British ophthalmologist who invented the Maddox Wing.
See Also
External links
- Medical encyclopedia article on Maddox wing
- Wikipedia's article - Maddox wing
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