What You Need to Know About Bifocal Reading Glasses and Other Bifocal Lenses Posted On : Jan-09-2012 | seen (53) times | Article Word Count : 523 |
Bifocal lenses help people with two different eyesight problems see clearly using just one apparatus. Find out more about bifocal reading glasses and other products using this type of lens and discover whether it is right for you. Bifocals help people with presbyopia and other visual impairments to see without using two glasses. Products like bifocal reading glasses and bifocal safety glasses correct your vision without having to carry two separate eyewear products. You'll be able to see thing Bifocals help people with presbyopia and other visual impairments to see without using two glasses. Products like bifocal reading glasses and bifocal safety glasses correct your vision without having to carry two separate eyewear products. You'll be able to see things clearly from any distance with these lenses on.
The elderly are the most common users of this visual aid. Younger people Randy Johnson Nike Jersey , however, also use bifocals. Those with two different eyesight conditions will benefit from this type of lens. Some jobs call for this type of eyewear rather than standard monofocals. Construction workers Jay Buhner Nike Jersey , welders and other industrial employees use bifocal safety glasses to see clearly. They won't have to worry about losing their eyeglasses whenever they wear this.
Bifocal lenses come in two distinct optical grades. The lower lens portion helps you read and see nearby objects in great clarity. This portion usually addresses your presbyopia. The remainder of the lens addresses other eye conditions, such as myopia Edgar Martinez Nike Jersey , hyperopia and astigmatism. Bifocal reading glasses have these characteristics. Bifocal safety glasses, meanwhile Felix Hernandez Nike Jersey , are only bifocal at the lower lens part. The upper portion has no optical grade and merely provides protection for your eyes.
Earlier models of this lens were troublesome. The earliest bifocals combined two separate lenses in one frame. This made it challenging for users to see without straining their eyes. Today, lens makers use special melting techniques to create a single lens with multiple optical powers. You can choose D-segment lenses if you are not sensitive to image distortion. This type provides the clearest vision. Those who experience headaches and dizziness should use progressive bifocal lenses. You won't get the crispness D-lenses give Jay Bruce Nike Jersey , but you'll be able to see just as well.
Consult your doctor before getting this type of eyewear. You might be better off with other eyewear depending on your situation. People working in the construction, welding and heavy industry occupations will benefit more from bifocals. Meanwhile Edwin Encarnacion Nike Jersey , those who only need help with reading might want to go for a pair of monofocal reading glasses instead. Bifocals can strain your eyes because you'll have to look down every time you need to read or look at something up close. Opticians also recommend monofocals for people working with computers. You won't need to adjust your head to an awkward position with single-grade lenses.
Your ophthalmologist will also consider your eye condition. People with irregular astigmatism, for example Ichiro Suzuki Nike Jersey , will not benefit from wearing spectacle lenses. Doctors recommend using contact lenses instead. Discuss any other health problems you have that can affect your vision as well, such as diabetes or vertigo. Your doctor will prescribe the proper eyewear to suit your needs.
It's easy to find these glasses in the market. They come in many shapes Tim Beckham Jersey , sizes and colors. Check out your local optical store and have your optician fit a nice pair of spectacles. Make sure to ask your optician to provide specific details on your size, your lens grade Mallex Smith Jersey , and lens type. This makes it easier to shop for glasses at most good online stores.
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