Übersetzung für 'trifocals' von Englisch nach Deutsch

trifocals {pl}

Trifokalbrille {f}optics

• His most recent work can be heard in the trailer for the independent film "Trifocals "(March 2007).
• Multiple focal lengths are accepted in the form of bifocals, trifocals, vari-focals, and cylindrical components for astigmatism.
• Adjustable-focus eyeglasses might be used to replace bifocals or trifocals, or might be used to produce cheaper single-vision glasses (since they don't have to be custom-manufactured for every person).
• Other things like trifocals and contraceptive pills were also invented here.
• Trifocals are mostly used by people with advanced presbyopia who have been prescribed 2 diopters or more of reading addition.

• The terms bifocal and trifocal were introduced in London by John Isaac Hawkins, whose trifocals were patented in 1827.