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Hey Friends ! We are back again with some tips for you to use in selecting good eyeglasses for your grandfathers, grandmothers or anyone who is of old age. As people grow older and older, their eyesight becomes poor and many end up wearing optical eyeglasses. Today l will share with you 3 tips to consider when getting the oldfolks eyeglasses. Firstly and the most important get eyeglasses that are very comfortable to wear. Many old aged people are very sensitive and they dont want anything that takes their comfort away. If its the first time, definitely will need a very soft and good eyeglasses. The eyewear should have silicone adjustable nose-pads and a spring hinge. The most comfortable material for the eyeglasses is the titanium material. The material is not heavy and does not react with the skin. The second tip is tho choose eyeglasses with neckchains. As people grow older the memories will be fading more faster, so as to not loss their eyeglass frame chains are very important. The frame chain also prevents the eyeglass from falling down. Please note to find a very stylish frame chain so for the person wearing it to feel youthful. The third tip is to find eyeglasses that are a little stylish, both in shape and in color. The most warm color is the tortoise color which can fit it with many styles and colors of clothes. Rimless eyeglasses will add a youthful look on the person . As for the shape of the eyeglasses it is best determined with the face shape.
PD is the distance between your two pupils in millimeters. Having a correct PD on your glasses ensures that you are looking through the ideal spot in your lenses. If there is no PD on your prescription, you can check it with your doctor or measure it yourself.
SPH(Sphere)
Sphere(SPH) refers to the refractive correction in the prescription. Minus(-) values are for nearsightedness, and Plus(+) values are for farsightedness. If "PL" or "Plano" is written for the either SPH on your prescription, then you should select "0.00".
CYL(Cylinder) & Axis
Cylinder(CYL) refers to astigmatism. It can be either positive(+) or negative(-). Axis is recorded as an angle in degrees, between 0°and 180°. Therefore, if there is a CYL value on your prescription, then there must be an Axis for it.
If "DS" or "SPH" is noted for the either CYL on your prescription, it means you have no astigmatism.
ADD(Addition)
The number sometimes written as "NV" or "Reading Addition" refers to near vision and is used for multifocal lenses and readers.
Prism
Prism is power, measured in diopters, used to correct vision displacement, like double vision or an eye turn. Most eyeglass prescriptions do not have prism correction. A prescription with prism will have two values per eye: a Prism (power) and Base (direction).
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