are reading glasses all the same?
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Over the counter reading glasses offer the same prescription in both lenses even though most people have one eye that is stronger than the other. In contrast, eye glasses purchased through your eye doctor can be customized to fit the prescription your eyes need.
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As a result, people often choose to receive prescription reading eyeglasses to get a more accurate vision correction and frame fit. Distance glasses, on the other hand, are intended for people with myopia, or nearsightedness, to improve their ability to see faraway objects more clearly.
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Bifocal lenses have two prescriptions in the same lens. Multifocal lenses are similar to progressive eyeglasses where there are several focal points in each lens for distance, intermediate and reading correction. Bifocal lenses also fall in the multifocal lens category.
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lection of high power reading glasses are available in magnification levels of +4.00 to +7.00. Our high power reading glasses could also be used for up close work and hobbies. Powers of +4.00 or lower can be found in the Men's and Women's Category in many different styles.
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Glass was the original material for spectacles because it has great optical clarity, but the glass lenses can be very heavy in stronger prescriptions. Plastic lenses are much lighter than glass but they are prone to easily being scratched.
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Yes, originally most eyeglass lenses were made of glass. But as lens technology advanced, the lens material for eyewear shifted from glass to plastics. Now, lens makers use different types of high tech plastics for different lens indexes, hardnesses, and needs.
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Contact lens and glasses prescriptions are not the same. A contact lens must match the size and shape of your eye. Therefore, a prescription for contact lenses contains information like base curve and diameter, as well as brand. ... However, contacts must be designed to fit the astigmatism, if there is one.
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Sometimes they include glare protection as well. But, there are different varieties of blue light glasses. For example, there are computer glasses and gaming glasses. As the names imply, one is for the use of any computer user, whereas the other is specifically for gamers.
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All polarizers are the same, so if a pair of sunglasses really is polarized, it won't do anything different than a more expensive pair of polarized glasses. However, cheap sunglasses are often not polarized, only tinted. ... If you can't see any light through the lenses, then both pairs of glasses are polarized.
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A glasses prescription is not the same as a contact lens prescription. ... You may also find that there will be a cylinder and axis value on your glasses prescription, whilst it won't be prescribed for your contact lenses.
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The bottom line: reading glasses don't damage your eyes — they just improve how well you see. And because presbyopia progresses with age, your near vision without corrective lenses will gradually worsen whether or not you wear reading glasses.
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Are contact lens and eyeglass prescriptions the same? Contact lens prescriptions and eyeglass prescriptions are not the same. They are significantly different because eyeglass lenses are positioned approximately 12 millimeters from your eyes, whereas contact lenses rest directly on the surface of your eyes.
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It is therefore only possible in very few cases that "old" customized lenses can be put into new frames. The option of fitting used eyeglass lenses into new eyeglass frames is most likely to work in the case of standard single vision lenses, because only the inter-pupillary distance has to be identical.
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Contact lens and glasses prescriptions are not the same. A contact lens must match the size and shape of your eye. Therefore, a prescription for contact lenses contains information like base curve and diameter, as well as brand.
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Full frames, in which the entire lens is made in the reading prescription. "Half-eyes," which are the smaller "half-moon" style glasses that sit lower down on your nose.
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Reader™ Computer Glasses. Foster Grant e. Readers are computer reading glasses that feature a patented, advanced lens technology to help reduce potentially harmful blue light* from devices such as computers, laptops, and smart phones.
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Over-the-counter eyeglasses are typically lower priced and lower quality, especially when compared to the durable, designer frames in our Lafayette, MI, optical collection. The frames tend to be weaker, and the lenses scratch easily. Readers also have the exact same prescription in each lens.