How Do You Spell SPHEROCYLINDRICAL LENS?

1. A spherocylindrical lens is a type of corrective lens that is used to correct vision problems caused by astigmatism. It is specifically designed to correct the refractive errors in both the spherical and cylindrical components of the eye.

   The spherocylindrical lens has a complex shape, combining the characteristics of both a spherical lens and a cylindrical lens. It consists of two curved surfaces – one spherical and one cylindrical – that are fused together. The cylindrical surface has different curvatures in two main meridians, typically perpendicular to each other.

   This lens is commonly prescribed when a person has both nearsightedness or farsightedness (spherical error) and astigmatism (cylindrical error). The spherical component of the lens corrects the overall focusing power, allowing the person to see clearly at different distances, while the cylindrical component corrects the irregular curvature of the cornea or lens, which causes distorted or blurry vision.

   The prescription for a spherocylindrical lens is typically specified in a standardized format, including the cylinder power, axis, and sphere power. The cylinder power determines the amount of astigmatism correction, the axis indicates the orientation of the cylindrical correction, and the sphere power determines the amount of spherical correction.

   Spherocylindrical lenses can be made from various materials, including glass or plastic, and they are available in both glasses and contact lens forms. These lenses are custom-made to suit the specific needs of each individual, ensuring optimum vision correction and clarity.

2. See spherocylinder.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

Common Misspellings for SPHEROCYLINDRICAL LENS

The term "Spherocylindrical lens" is composed of two parts: "sphero-" and "cylindrical".

"Sphero-" is derived from the Greek word "sphaira", meaning "a ball" or "globe". It indicates the spherical component of the lens, which corrects for refractive errors in the horizontal and vertical meridians of the eye.

"Cylindrical" comes from the Greek word "kylintron", meaning "a roller". It refers to the cylindrical component of the lens, which corrects for astigmatism by addressing refractive errors in other meridians of the eye.

Thus, "spherocylindrical lens" is a term used to describe a corrective lens that combines both spherical and cylindrical powers to correct various visual abnormalities in different meridians of the eye.