Archive for the ‘bifocal progressive’ Category

How do Progressive Glasses Work?

Tuesday, June 29th, 2010

Yesterday when one of my roomates asked me-how do Progressive glasses work, I felt confounded. It is such a shame that I have worn it for 2 years, but I do not know how it work. In the past, I always bear very complicated feeling towards eyeglasses. But now, I have ...

Which Suits You More, Bifocal&Trifocal Lenses&Progressive lenses

Friday, June 4th, 2010

It is said that progressive lenses are much more better than bifocal&trifocal lenses. Well, this is a truth. But it doesn’t mean everyone needs to choose progressive lenses. Progressive lenses provide a seamless progression between the different prescription powers within the lens. They are laid out in such a way that ...

Some Basic Points of Buying Bifocal Safety Glasses Cananda Online

Tuesday, May 25th, 2010

When people get eye problems, it is natural for them to turn to bifocal glasses. Nowadays,these glasses are also designed for special need from people who want to protect eyes from possible harms.If you are a resident of Canada, it pays to shop for online bifocal safety glasses cananda as ...

Benjamin Franklin and Bifocal Glasses History

Tuesday, May 25th, 2010

When talking about Benjamin Franklin, people always remember many inventions connected with his. When it comes to the great inventions that changed people's life his name also have something to do with bifocal glasses history. The first eyeglasses invented by him were then cut exactly in half and the top half ...

A Story about Bifocal Glasses Benjamin Franklin

Tuesday, May 25th, 2010

Nowadays, people with both presbyopia and nearsightedness benefit from bifocal glasses. They may know many convenience of having these glasses in daily life. However, many people still do not know the meaning of  bifocal glasses benjamin franklin. And even for those who know something, they are still uncertain about the ...

Helpful Hints For Choosing Bifocal Lenses Online

Monday, May 24th, 2010

Trifocal lenses are designed to facilitate vision at 3 different distances. Generally the distances are over 3m away (distance) and ~40cm (near). These two different powers are separated by a distinct line. The following information will tell us how to choose the different lenses online, trifocal lenses included. Firstly it is ...

Multiple Functions of Semi-Rimless Bi-focals

Monday, May 24th, 2010

After the era of framed glasses, rimless or semi-rimless bifocals now are more and more popular among people with presbyopia. The folowing passage is mainly talking about semi-rimless ones. In today's eyewear market, the diversified variety of eyeglasses, sunglasses and even goggles may confuse easily customers without much experience. It is ...

How to Read Bifocal Eyeglass Prescription?

Friday, May 21st, 2010

When we are handed over a piece of paper on which reads our eyeglass prescription, always, we have no idea what it means. To us, it is just a group of terms and numbers. However, many people are curious to know how to read bifocal eyeglass prescription. Reading bifocal eyeglass prescription ...

Characteristics of Bifocal Glasses Wiki

Friday, May 21st, 2010

Bifocals are eyeglasses whose corrective lenses each contain regions with two distinct optical powers. Bifocals are most commonly prescribed to people with presbyopia who also require a correction for myopia, hypermetropia, and/or astigmatism. If you have such eye problems, you’d better choose to wear bifocal glasses wiki. Here lists some ...

A Brief Introduction Concerning the History of bifocal Glasses

Thursday, May 20th, 2010

If you have heard about bifocal glasses, you must have heard that they were invented by Benjamin Franklin. However, do you know bifocal glasses history? Glass lenses, for use as magnifiers or for starting fires, date to about 300 BC, but the first eyeglasses to aid or correct vision were almost ...