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12/4/2013 - Fake Oakleys Crystal glasses

Fake Oakleys 

Crystal glasses
Crystal glasses are expensive, and make people feel after wearing cool, the thought is it has a purpose. There is no scientific basis. Crystal was used to make the earliest glasses was because there were no manufacturing optical glass, there is no better than Crystal optical materials. Crystal glasses are expensive is because Crystal geology hard and brittle, and should not be neglected and less pure crystal production is not because the maintenance of the special effects for the eyes, people feel cool because the crystals with Crystal glasses lenses for ultraviolet and infrared absorption of little cooler, but it does not.

Polarized lenses:

Natural light: collection of light vibrations in all directions. Polarized light: on the constraint surface vibrations of light.

1, polarized lenses: have allowed only a vibration in the direction of light passing through the lens, called a polarized lenses. Axis of the polarized lenses: polarized lenses can pass on its axis in the direction of the light.
2, the use of polarized lenses in order: reflections on a trip in a plane of dazzling light.
3, use precautions: (1) into resistance bad, prolonged contact with water, the surface film will easily fall off. (2) when loading frame, if stress occurs, will affect its polarization effects.


For myopia friends, how to buy glasses is very important, and some friends to wear glasses for a long time, deeper and deeper, why is that? And our glasses were selected not only to pick a good lens, also need to learn how to select a good spectacle frames! In fact, glasses frame selection is a lot today, small series teaches you how to pick eyewear frames!
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12/4/2013 - Fake Oakleys Fever fever eye when local resistance decrease

Fake Oakleys 

Fever fever eye when local resistance decrease, reduction of tear secretion, Bacillus subtilis will multiply, the bacterial metabolites between deposition in the cornea and the lens, resulting in oxygen permeability of contact lens reduces, cornea normal metabolic disruption, thereby causing bacterial corneal ulcer.
After the elderly at the age of 40, a significant degenerative changes in the eye tissue. Decline in local resistance to the eyes, in particular the decline in tolerance ability of hypoxia of the eyeball, eye wear a thin layer on the surface of the lens can lead to hypoxia of the eyeball and thus prone to complications such as infection, ulceration of the cornea. 40-60 middle-aged man can wear contact lenses for a short time, elderly people over 60 years old it is best not to wear contact lenses, otherwise easily lead to serious complications, result in permanent visual impairment.
Pregnant women do not fit contact lenses. Pregnant, due to endocrine function of human body changes, bringing down corneal tissue barrier function, reduction of tear secretion, causing wear does not apply, so it is best not to wear.

Correct that audition

Clean your glasses wipe back and forth doesn't use paper towels or clothes, because there are a lot of small particles on the clothes and paper towels, dry-wipe back and forth easier to wear lenses, thereby reducing the life of the glasses. The right way is small particles in the water to wash the glasses, no water can be patted the dust with a lens cloth, and then down the lens with a mirror cloth wipe in one direction. (Note: do not rub back and forth)

Avoid high temperatures

Frames long time at a high temperature, strong sunlight or excessive temperature changes of environment, can easily lead to frame faded, cracked or damaged lens coating optical properties. Such as: plastic box the wearer, place glasses at a temperature too high may not be to avoid frame deformation of heat; resin sheet off film or frame deformation caused by thermal expansion.

Correct storage

When you are not wearing her glasses, eye side up, not down, prevent wear the lens surface or the surface of the coating is damaged. As a long time without a lens cleaner packs well in the mirror box, lens down, avoiding to damage or to glasses. (Note: Please avoid and repellent, toilet supplies, such as corrosive contact. ）"sdwwwssa3xg"

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