What is executive bifocal?

Executive Bifocals The Executive Bifocal is similar to the original Split Bifocal worn by Benjamin Franklin. The entire top portion of the lens is dedicated for distance use whilst the bottom portion is for reading. They offer a much wider reading area than other types of bifocal.

Are executive bifocals still available?

Two lense companies still make executive bifocals in glass, clear and photogray. One is American Optical that still makes it in three different blank sizes.

What are occupational bifocals?

Occupational bifocals and trifocals are specialized multifocal lenses created for specific jobs, hobbies or tasks. They are designed for people – generally over 40 – who have developed presbyopia, a condition in which the lens of the eye weakens and it becomes difficult to see objects that are close up.

What are the different types of bifocals?

Types of bifocal lenses

  • A half-moon/ flat-top/ straight-top/ D segment.
  • A round segment.
  • A ribbon segment– a narrow rectangular area.
  • Executive/ Franklin/ E style- the entire bottom half of the lens.

How are executive bifocals made?

Based on the true Ben Franklin design, the High Add Executive Bifocal is composed of two separate lenses which are cut in half, glued together, and edged to fit the frame. Because two different lenses are used, the doctor has great flexibility in what he can order.

Which is better progressive lens or bifocals?

Generally speaking, bifocals only correct vision for two distinct fields of vision, while progressive lenses offer clear vision at all distances.

What type of bifocal is the most commonly used?

The two most common types are: Segmented bifocals. These have a separate section for each prescription, the way lined bifocal eyeglasses do. Usually, the prescription for near vision will be on the bottom, and the one for distance vision will be on top.

Are occupational lenses the same as bifocals?

In comparison to traditional bifocals, they don’t contain a reading segment as such with a visible dividing line. This eliminates ‘Jump’ (difference in sudden magnification between focal lengths) from within the lens which makes them much more functional and cosmetically pleasing.

Are occupational lenses worth it?

Occupational lenses are brilliantly useful. The lenses are designed so that you can see near objects clearly through the lower part of the lens, for example when reading, but also give you clarity in the upper part of the lens for tasks that are slightly further away such as computer screens or music stands.

Are progressive lenses better than bifocals?

What are the disadvantages of bifocal lenses?

Disadvantages of bifocal lenses

  • Distracting bifocal line. Many people find the drastic difference between the two prescription types distracting and irritating.
  • Potential visual distortions.
  • It takes some time to adjust.

Who Cannot wear progressive lenses?

Almost anyone with a vision problem can wear these lenses, but they’re typically needed by people over age 40 who have presbyopia (farsightedness) — their vision blurs when they’re doing closeup work like reading or sewing.