Helpful Hints For Choosing Online Prescription Glasses
First it is very necessary for you to have a proper prescription which has been made recently within 2 years by an optometrist
. This prescription should be made after getting your tested for a pair of spectacles and not for contact lenses. A prescription must have a sphere either denoted by + or signs, the second component of the prescription denotes cylinder in order o correct astigmatism, axis is another term used in the prescription which denotes the position where the cylinder component is aligned and the component is Addition which denotes the power that is needed the reading prescription.
Then you have to choose the best lenses that are suited for your lifestyle. For example people with both near and far vision disorders should go for bifocal or multifocal lenses which can grade your vision from distant to near objects in one lens. These lenses can be also referred to as progressive lenses and it should be kept in mind that getting adapted to these lenses might take some time. Moreover these lenses do not have the distinguishing line on the lens and thus they look like single vision lenses. These lenses are not capable of providing very good peripheral or side vision and thus people who are interested in taking glasses solely for reading purpose should go for single vision glasses. Bifocal lenses which are mainly used to correct the problem of presbyopia.
This is a vision disorder which usually tends to arise after 40 years of age. When a person is diagnosed with presbyopia it is difficult for them to focus on close objects. This is when one can take the help of bifocals. The first of them are the single Vision Lens which is mainly characterized with having the same power from the top to the bottom of the lens. People suffering from astigmatism, presbyopia and myopia can go for the use of these lenses in order to correct these vision problems.
Prescription reading eyeglasses can be also classified as ready made magnifiers. But it is recommended not to use magnifiers too often as they can damage your eyes. The eyes are forced to the optical centre which can be inside or out depending on the magnifier. People choose frames and lenses according to their choice and lifestyle.
A sportsman might need a specific type of frame and lens color depending on his need. You have to see whether you need photocromic lenses or computer glasses when you are a regular computer user or the type of tint that you prefer on your lens. You have to choose a frame depending upon your face shape and the frame color should suit your shin tone and complexion.
by: Manoj Haran
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