KERATOSCOPIC ARC Meaning and
Definition
-
The term "keratoscopic arc" refers to a characteristic pattern or arc-shaped image that appears in certain eye examinations, specifically those conducted to assess the shape and contour of the cornea. The cornea is the transparent, dome-like structure at the front of the eye, responsible for bending and focusing incoming light onto the retina.
During a keratoscopy test, a focused light source is directed onto the cornea, emitting concentric rings of light. When the light hits the cornea, it projects an image onto a screen or photographic film. The resulting pattern resembles a series of arc-shaped lines, forming a unique keratoscopic arc.
This arc-shaped image provides valuable information regarding the curvature and irregularities present on the cornea's surface. By analyzing the size, shape, and regularity of the keratoscopic arc, eye care professionals can identify any corneal abnormalities or conditions that may affect vision, such as astigmatism or keratoconus.
Moreover, a keratoscopic arc can offer insight into the efficacy of contact lenses or refractive surgery, as it helps in determining the appropriate corrective prescription. By examining the changes in the keratoscopic arc before and after treatment, optometrists or ophthalmologists can assess the success of vision correction procedures.
Overall, the keratoscopic arc is an essential diagnostic tool in ophthalmology, assisting clinicians in evaluating corneal health, making accurate vision prescriptions, and monitoring the results of specific eye treatments.
-
A form of ophthalmometer devised by DeWecker and Masselon for measuring corneal astigmatism.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for KERATOSCOPIC ARC
- jeratoscopic arc
- meratoscopic arc
- leratoscopic arc
- oeratoscopic arc
- ieratoscopic arc
- kwratoscopic arc
- ksratoscopic arc
- kdratoscopic arc
- krratoscopic arc
- k4ratoscopic arc
- k3ratoscopic arc
- keeatoscopic arc
- kedatoscopic arc
- kefatoscopic arc
- ketatoscopic arc
- ke5atoscopic arc
- ke4atoscopic arc
- kerztoscopic arc
- kerstoscopic arc
- kerwtoscopic arc
Etymology of KERATOSCOPIC ARC
The word "keratoscopic" is derived from two Greek roots: "kerato" and "scopic".
1. "Kerato" originates from the Greek word "keras" (κέρας), meaning "horn" or "horny". This root is commonly used in medical terminology to refer to the cornea of the eye, which is the transparent front part.
2. "Scopic" is derived from the Greek word "skopeo" (σκοπέω), which means "to look at" or "to examine". In English, the suffix "-scopic" is often used to describe something related to observation or examination.
Therefore, "keratoscopic" in the term "keratoscopic arc" can be understood as something pertaining to the examination or observation of the cornea.
