Home > Terms > English, UK (UE) > Bifocals

Bifocals

Corrective lenses that have two powers of correction. Typically the majority of the lens is corrected for distance vision while a small are is corrected for near vision. Bifocals and trifocals are normally prescribed for individuals with presbyopia.

This is auto-generated content. You can help to improve it.
0
Improve it
More
Collect to Blossary

Other Languages:

More

Member comments

You have to log in to post to discussions.

Related terms

bifocal
Health care; Optometry

Lens with one segment for near vision and one segment for far vision. The term "bifocal" can apply to both eyeglass lenses and contact lenses.

bifocal
Eyewear; Glasses

Corrective eyewear lenses containing regions with two distinct optical powers. Bifocals are commonly prescribed to people with presbyopia who also require a correction for myopia, ...

bifocals
Health care; General

Eyeglasses with divided lenses. The two parts of each lens have different strengths, allowing the wearer to focus the eye for either near or distant vision.

bifocals
Eyewear; Optometry; Contact lenses; Eye surgery

Corrective lenses that have two powers of correction. Typically the majority of the lens is corrected for distance vision while a small are is corrected for near vision. Bifocals ...

bifocal lens
Eyewear; Optometry

Multifocal lens having two portions, usually for distance and near vision.

bifocal contacts
Eyewear; Contact lenses

Contact lenses that allow a person to see near and far away without the use of glasses.

ophthalmoscope
Eyewear; Optometry

An optical instrument used to examine the external and internal parts of the eye, particularly the media and the fundus.

pantoscopic angle
Eyewear; Optometry

1. Angle in the vertical plane between the optical axis of a spectacle lens and the visual axis of the eye in the primary position, usually taken to be the horizontal. 2. Angle ...

optical material
Eyewear; Optometry

Transparent material capable of being manufactured into optical components.

optical radiation hazard
Eyewear; Optometry

Possibility of damage to the retina by optical radiation.

optical centre
Eyewear; Optometry

For practical purposes, the intersection of the optical axis with the front surface a lens.

ophthalmoscope
Optometry; Optometry

An optical instrument used to examine the external and internal parts of the eye, particularly the media and the fundus.

Terms in the News

Featured Terms

Harry8L
  • 0

    Terms

  • 0

    Blossaries

  • 1

    Followers

Industry/Domain: Internet Category: Internet security

Facebook tracking

The tracking of users' online activities once they have visited a Facebook site even after they are logged off from Facebook's main site. The Facebook ...

Contributor

Featured blossaries

Dominican cuisine

Category: Food   1 0 Terms

HaCLOWNeen

Category: Culture   219 10 Terms

Browers Terms By Category

TERMS

SOCIAL

EXTRAS

SOLUTIONS