See Lens, Polarized.
See Lens, Polarized.
A cosmetic service to make the sides of a cut lens look clear rather than a milky white. This service can be used on any minus lens and on most plus lenses. It is not beneficial to polish the edges of a lens when:
Two lenses that are laminated to remove glare. Polaroid lenses are especially useful for boaters and pilots.
Lenses that darken when exposed to the sun’s ultraviolet rays.
Eyeglasses to which no prescription has been applied.
The trade name of a private-label series of ophthalmic lenses available only at Davis Vision point-of-service locations. The lens is an aspheric design in polycarbonate material with anti-reflective coating and improved scratch resistance.
Refractive surgery to eliminate myopia by flattening the central portion of the cornea with a laser.
Glass lenses that turn grey when exposed to the sun.
See Lens, Plastic photochromic.
Lenses that turn brown when exposed to the sun.
Side vision. That which an eye can see to the side while looking straight ahead.
An alternative term used to refer to the plan member or end user.
A larger-than-standard lens required to fabricate eyeglasses.
A doctor of optometry, who provides all ophthalmic services except surgery. In most states, they are licensed to treat ocular diseases. Title is O.D.
A fabricator and dispenser of eyeglasses. Some opticians also fit contact lenses. An optician is skilled in the application of the science of optics, including optical lens and/or instrument designing or manufacturing.
A point on the lens axis midway between the nodal points.
The line connecting the centers of curvature of a lens or system of lenses. The cardinal points lie on this line or its extensions. This is also referred to as the anterior-posterior axis of the eye.
The nerve that carries impulses from the eye to the brain.
Pertaining to light or the sense of sight.
A test for internal health of the eye.