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Brown, blue and green, these are the most common colors of our eyes. Besides them, there is a variety of other colors that are a combination of colors mentioned above. Many people are born with nondescript gray eyes that change into blue or brown color during the More... |
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Gradually you find out, that you do not have long hands enough to move a text further from your eyes when reading newspapers or books, can not string a needle or having problems while working on a computer. When reading, you seek for more light and your eyes are more More... |
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There is no doubt that a surface treatment of plastic eyeglass lenses has significantly contributed to improving of their quality and aesthetic design. There also some doubts occured, that such modified lenses directly attract dirt and get dirty very More... |
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Glaucoma is a chronical eye disease of the ocular nerve, that in the case of a late diagnosis and inadequate treatment leads to severe eye damage and blindness. In the world, there is more than 70 milions of people suffering from glaucoma. More than a half of them More... |
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The number of wearers of contact lenses increases every year and wearing of contact lenses is safe if cerain rules are respected. Then they can be worn almost by everyone. Improving materials, which contact lenses are made from, also allow the wearing to people, who More... |
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Opticians believe that permeability of contact lenses for oxygen is one of the main conditions for their successful application. Scientific studies agree that the number of adverse effects caused by chronical hypoxia (oxygen deficiency) of the cornea decreases with More... |
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The iris is the most forwardly protuberant part of the middle layer of the eye wall. It has a shape of annulus with a centrally located hole called a pupil. The outer edge of the iris changes into an algoid corpuscle. The inner edge sets bounds to a circular hole of a More... |