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Bifocal Lenses

Sometimes our vision fails us at two or even three distinct distances, especially as we age. Bifocal lenses—lenses with two distinct viewing areas—have traditionally been a reliable solution to such a dilemma. (A lens with three distinct viewing areas is called a trifocal.)

By distinct, we mean there are noticeable lines separating the two different fields of vision within a bifocal lens surface. A slight adjustment to the angle of the head allows wearers to choose which lens area to look through based on the distance of the object they’re trying to see.

A farsighted person who also has trouble reading may be prescribed a pair of bifocal reading glasses, for example. The upper section of the lens would correct difficulties seeing objects at distance, and the lower section would assist in reading. (Bifocal glasses date back to the days of Benjamin Franklin!)

While wearers quickly adjust to the line separating the multiple vision fields, it is a noticeable distraction within the lens itself. This line can be eliminated using a newer lens technology called progressive lenses.

Progressive lenses incorporate two, three, or more fields of vision within a single lens without noticeable lens lines. Bifocal, trifocal and progressive lenses are all considered “multi-focal” lenses—lenses that provide correction to multiple vision problems.

Special thanks to the EyeGlass Guide, for informational material that aided in the creation of this website. Visit the EyeGlass Guide today!

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COVID-19 UPDATE:

Due to Covid-19, we have implemented extra steps to ensure the health and safety of our patients & staff in compliance with government regulations. Please review the temporary office protocols:

1. Please wear a mask or mouth/nose covering while in the office.

2. We are limited to the number of patients that may be in the office. Please have your companion remain in the mall unless medically necessary to assist you, or a minor child.

3. If you are feeling unwell in any way or have traveled within the past 2 weeks, please wait a few weeks to schedule your appointment.

With sincerest wishes for your continued good health, I remain in your service.

Dr. Libby Thompson