Refractive
Refractive
Refractive (pronunciation: /rɪˈfraktɪv/) is an adjective that pertains to the bending or altering of light when it passes through different mediums. The term is derived from the Latin word 'refractus', which means 'broken up'.
Etymology
The term 'refractive' is derived from the Latin word 'refractus', which is the past participle of 'refringere', meaning 'to break up'. The term was first used in the English language in the early 17th century.
Related Terms
- Refractive Index: The refractive index is a measure of how much a ray of light bends when it enters a material from another medium.
- Refractive Surgery: Refractive surgery is a type of eye surgery that is used to improve the refractive state of the eye and decrease or eliminate dependency on glasses or contact lenses.
- Refractive Error: Refractive error, also known as refraction error, is a problem with focusing light accurately onto the retina due to the shape of the eye.
- Refractive Lens Exchange: Refractive Lens Exchange, also known as lens replacement surgery or clear lens extraction, is a surgical procedure where the natural lens of the eye is replaced with an artificial one.
- Refractive Power: Refractive power, also known as dioptric power, is the degree to which a lens, mirror, or other optical system can bend light.
See Also
External links
- Medical encyclopedia article on Refractive
- Wikipedia's article - Refractive
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