‘healthy eye’

Eye Health Care

Monday, January 4th, 2010

healthy eyeEye Care
The eye is a very sensitive organ and, despite having its own defense system, is vulnerable to injury and illness. If you want to maintain lifelong good vision, eye care must be taken.

Eyes
Eyes should be protected from accidents. Can lead to blindness due to injuries to sharp sticks, firecrackers, toy guns and other objects that children can use them as projectiles during their games. Parents should stand firm with their children, explaining the possible consequences of dangerous games. The lenses of the glasses should be shatterproof material, especially if they are for children.

Foreign bodies
The lid is able to close a fifth of a second. It is a reflex action that responds to the smallest stimulus. However, it is inevitable that foreign bodies are lodged in the eye, and there is a right way to remove them without damage. If between the eyelid and eyeball sits a soft object such as a tab, then the affected person close your eye. Take it near a bright light and gently open the eye. If not visible foreign body, have her look up, down, and on either side, while it shifts the lid in the opposite direction. When you locate the foreign body should be removed from the eye with the tip of a clean handkerchief.

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Know your eyes

Thursday, December 17th, 2009

beautiful eyesThe eyes work from the moment we wake until we close and when we go to sleep. Assimilate information about the world around us-the silhouettes and the shapes, colors, movements and more. Then process the information and transfer it to the brain to let it know what happens outside the body. Let’s see what parts stated.

1. How is your eye?
The eyes are light sensitive organs, which allow an analysis of the shape and color of objects. If we study the eye from outside to inside we find the following parts. Enlightenment. At right, a representation of the eye with its different parts in cross section.

1.1. Outer layer
It consists of the cornea, limbus (transition zone) and the sclera. In this outer layer is called fibrous because the most resistant.

The cornea is transparent and smooth, has many nerve endings, but lacks blood vessels. Behind the cornea is a chamber filled with clear fluid called aqueous humor, which separates the lens. The latter lens is a flat, elastic, transparent and without glasses, which serves to focus. The sclera is the back is white and her muscles are inserted. It is lined by the conjunctiva.

1.2. Inner layer or nerve
It consists of the iris, ciliary body and choroid. The iris is a diaphragm that regulates the amount of light entering, the interior matches the pupil. The ciliary body is attached by the lens zonule of Zinn. The choroid is the most posterior is highly pigmented and vascular.

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