Colored contact lenses Colored contact lenses – the latest fashion accessory for women with good vision who want to temporarily change the color of their eyes. Contact lenses can change the boring blue tint to the intriguing nut-brown or even a bottomless black. They are used in cosmetic and medicinal purposes.

When you buy contact lenses you have a choice between hard and soft lenses. Bifocal and Toric lenses are used to correct some visual impairment. Contact lenses special effects used for entertainment, for example, on Halloween, as well as in film and theater. With these lenses you can create a magnetic gaze vampire whether to turn pupils into fireballs.

Cosmetic contact lenses

Contact lenses – concave plastic disks covering the cornea. Cosmetic contact lenses function as glasses and replace them. Wearing Cosmetic contact lenses can people aged 10 to 70 years. When choosing lenses must be taken into account the age and lifestyle.

Colored contact lenses The first hard contact lenses – lenses of polymethylmethacrylate (PMMA-lens). They have exceptional durability and reliability, but blocked the access of oxygen to the cornea. Today, such contact lens – a great rarity. As a rule, is now the most common rigid gas permeable lenses (RGP-lenses). Such lenses are better retain their shape cornea than soft lenses, perfectly correcting weaknesses of view, but harder to get used to them than to soft lenses. Some people prefer hard RGP-lenses, because they have better optical performance. RGP-lenses are more durable and protected from the accumulation of protein. Hard RGP-lenses are manufactured based on silicone polymers, which provide the flow of oxygen to the cornea of the eye.

Soft contact lenses are made of flexible plastic, with a moisture content up to 90%. Such lenses are also called hydrophilic or hydrogel. Hydrophilic lenses are more fragile and require careful maintenance and regular cleansing.

In 1987 he appeared on the market short-term contact lens wear, which caused a revolution in terms of health, hygiene and convenience. If the traditional contact lenses had to be replaced every six months or a year, short of wearing lenses can be thrown in a couple of weeks. Mass production of high-quality lenses have reduced the cost elements that made "liquid glasses" more accessible to different groups. In addition, low-cost lenses can be changed more frequently. Lens wearing short perfect for people who suffer from ocular allergies, which have to spend big money on contact lenses. Moreover, short-term lens wear – ideal for those who have increased sensitivity to solutions for cleaning lenses. Such lenses are the result may be more expensive than conventional lenses, but you will save significantly on cleaning solutions. The only drawback of such lenses – ultra-thinness. The lenses also wear short-not correct astigmatism.

Colored contact lenses

Colored contact lenses are painted only marginally. The color lens is to make it easier to insert and remove. Typically, color contact lenses a little darker than the natural color of the human eye. With the help of lenses can emphasize eye color, make it deeper, but look – a more attractive and hypnotic. Colored contact lenses can also radically change your eye color. You can experiment with bright blue, dark brown or green exotic lenses. For athletes manufactures special contact lenses, through which they can quickly distinguish the ball in a kaleidoscope of moving objects and bright colors.

Toric lenses

Colored contact lenses Toric contact lenses differ from conventional lenses. In the toric lens has two convex, situated at different angles, which correcting astigmatism and improve visual acuity. Wearing toric lenses recommended for both reasons. Such lenses are best kept in the eyes and do not rotate. If you are going to buy toric contact lenses, contact your eye doctor, because they are sold only by prescription. There are toric lenses short and wearing lenses, which should be changed frequently, hard (RGP-lenses) and soft lenses. Also available are color toric contact lenses designed for people suffering from astigmatism.

Bifocal contact lenses are ideal for people who suffer from presbyopia (presbyopia). These lenses combine two properties – they are correcting a hyperopia, and myopia. There are soft bifocal lenses and lenses RGP-type. Bifocal lenses may be concentric design in which the central region of the lens corrects farsightedness, and peripheral – nearsightedness, or vice versa.

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