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Stock reading glasses are obtainable in a bifocal style where there is a line that separates the lower reading lens from the upper clear lens. No-line reading glasses perform the same function accept there is no visible line between the two lens viewing areas. As you direct your eyes down from the upper half of the lens, the magnification gains slowly allowing you to see better at different close up distances. Reading glasses with tinted lenses are fashioned so that you can read in bright light. For reading in the sun, some individuals wear regular sunglasses with contact lenses underneath. You could also wear regular sunglasses with stick on magnifiers. The only real problem with stock reading glasses is that they may not work good for your eyesight.
Folding reading glasses are designed to take up less space in your shirt pocket or purse. There are many different styles of folding reading glasses. Some folding reading glasses, called pen readers or tube readers, are reading glasses that fold into a little tube case that you can carry in your pocket. The tube case helps to protect the reading glasses from breaking. Stock reading glasses are ordinarily made so one size fits all. As a result, optical centers on stock reading glasses can be too wide or too narrow for your face. If you do not look through the center of the lens, you may not see clearly and you may get headaches.
