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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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Dear Valued Patients,

At Premier Vision Care Optometry, the health and safety of our patients and employees are our top concern.

Due to the CDC recommendation to postpone routine eye care visits, our office will only be seeing patients deemed essential and urgent as of March 18th until further notice. Please call our office at (310) 326-1200 or email us at info@premiervisioncare.net for further details regarding scheduling essential and urgent appointments.

If you are in urgent need of contact lenses during this time. Please call or email our office with your order details and we will be happy to ship lenses to you with no additional shipping costs to you.

As a reminder, if you have fallen ill, have traveled abroad, or had close contact with someone who has traveled abroad within the past 30 days and are due to be seen for an appointment, please let our office know. We will be happy to change your appointment to ensure the safety of our patients and staff.

Thank you for your cooperation and understanding during this unprecedented time.

Kent J. Nozaki, O.D.

Calista Ming, O.D., F.A.A.O., F.S.L.S.