Vision

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Astigmatism. Causes, Treatment and Diagnosis.

Posted on 2011-12-17 06:00:13, by Daria Griny in Health → Vision

Astigmatism is an eye condition quite common, especially among children. Can be corrected easily by contact lenses, glasses or even surgical intervention.Astigmatism occurs when the cornea is abnormal and shows curves rather oval than round shape. Astigmatism is a refractive disorder and physiologic (when has a value around 0.5 diopters) or pathological (if more than 1 diopter). If the curvature of the cornea is very pronounced, patients indication for treatment. But if astigmatism is low and does not interfere with patient quality of life, experts recommend to be left so. Eyeball is spherical and two lenses: the cornea and lens.The cornea is transparent and covers the iris, pupil and anterior chamber of the eye. Lens is located behind the iris, and posterior vitreous it is (or simply, vitreous). He has a ... Read More

Vision

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Amblyopia. Causes, Symptoms, Diagnosis and Treatment.

Posted on 2011-12-16 14:23:51, by Daria Griny in Health → Vision

Normal vision grows with regular use, for both eyes equally. Amblyopia, also called "lazy eye", usually begins when one eye is not used enough for the visual system of the brain to develop properly. The brain ignores (neutralize) the images of the eye and uses only those formed in the healthy eye, causing poor vision. Amblyopia usually affects only one eye, but can occur in both eyes. Children can develop amblyopia from birth until around age 7.A child with amblyopia may not realize that using only one eye. Ignoring the image of the affected eye is an unconscious reaction that the child can not control.Causes of amblyopia.Any condition which removes the child's eyes from forming a clear, focused, or disrupt normal use of one or both eyes may cause amblyopia.In ... Read More

Vision

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Dry eye Syndrome (keratitis sicca)

Posted on 2011-10-12 17:29:37, by Daria Griny in Health → Vision

Dry eye Syndrome (keratitis sicca)Dry eye syndrome occurs because of prolonged lack of lubrication and moistening of the eye resulting in a constant irritation to the previous parts of the eye. Normally, the cornea must be constantly wet.Dry eye syndrome is to decrease the quality and quantity of tears (tears secretion deficiency, excessive tear evaporation loss accelerated).Tears are a complex combination of substances that neutralize germs that get into eye.Causes of dry eye syndrome:- Natural aging of tear glands;- As a side effect of taking antihistamines, antidepressants, contraceptives, beta-blockers, diuretics;- Hormonal changes can affect tear secretion glands;- Symptoms of general diseases: lupus, rheumatoid arthritis, Sjogren's syndrome;- Long wearing contact lenses;- Diseases of the eyelids;- Failure of eyelid closure.Signs and symptoms:- Permanent feeling of dryness, itching and burning of the eyes;- ... Read More

Vision

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Color Eye Contact Free Sample Kits

Posted on 2011-06-19 23:42:19, by Karen Saltos in Health → Vision

If you are interested in sampling color contacts without having a prescription, four types of sample kits are available for free. One lens of each color is in each kit. They do not improve vision, but allow you to compare the various colors. You can choose blue, green, gray or hazel. Enhancement tints are darker than visibility tints. Opaque tints change the color of the eye completely. Make an appointment with an Optometrist and have your eyes measured for the right fit. The contact lenses are medical devices, so a prescription is not needed! Chain department store optical centers   have very affordable prices. You can order free trial contacts from several manufacturers. Some popular brands are Bausch & Lomb, Acuvue, CooperVision andCiba Vision. Once you have your prescription you can download a form on the computer, fill it out and ... Read More

Vision

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Tags Announcing the Child's Vision Problems.

Posted on 2011-04-29 15:57:57, by Daria Griny in Health → Vision

Tags announcing the child's vision problems.Children's eyes grow until about age 8 years. Experts say future eye disorders are translated by some signs that parents should be careful to take measures in time. Here are some of the gestures made ​​by children, which should give you pause for thought:1. Approaching objects.When the baby tends to close the sheet on which color, of the eye, reduce eye to see better, you tend to approach toys to have fun better then very likely shows the type of vision disorders myopia.2. The distance of objects by the eye.At the opposite pole lies the distant behavior of objects, which demonstrates a pathology of type-sighted eye, that sees little better at long distances, but it almost look more tired and not well seen. This type ... Read More