Hazard Light Blue In Eyes


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Hazard Light Blue In Eyes
Blue light is light with a wavelength of 400-500 nm (nanometers). Blue light can come from strong sunlight, television screens, fluorescent lights or computer screens and other electronic goods.

The retina is a thin layer of cells located at the back of the eyeball of vertebrates and cephalopods. The retina is the part of the eye that converts light into nerve signals. The retina has photoreceptor cells (“rods” and “cones”) which receives light. The resulting signal then undergoes a process complicated by the other retinal neurons, and converted into action potentials in retinal ganglion cells. The retina not only detects light, but also plays an important role in visual perception.

Blue light is the light that can damage the retina of the human eye. The risk of damage occurs depends on the length of light, the intensity and duration of exposure. For example, if a child is too old to watch television from a short distance then certainly a greater risk of damage.

In the eyes of newborns, the lens is clear and can not postponing clear blue light exposure. because the eye's natural lens will change accordingly to yellow, and this color change may inhibit blue light through the lens of the eye.

In children, the blue light can cause vision problems, such as nearsightedness (myopia). If this happens to children when he started school, he surely would have difficulty reading.

In infants aged 0-2 years the percentage of the entry of the blue light to the retina of the eye about 70-80%, whereas at the age of 2-10 years, can reach 60-70%. This is the greatest risk of eye damage caused by blue light that is often experienced by children early age.

The effects of blue light has a long term effect and short term. the long-term impact when children enter adulthood, middle view will be blurred and diminished ability to see fine details, although this would not cause total blindness. Moderate short-term effects are retina children will be disturbed, so that the learning process through the eyes of the child will be retarded.

Protection against harmful blue light should be done as early as possible. You can begin to protect your child's eyes, for example, by reducing the share of watching television and keep his eyes so as not to get too close,

How to prevent blue light is easy enough, to meet the nutritional needs and minimize exposure of children to the origin of blue light. Food intake by giving the womb may protect the eyes. One of the substances that serve to protect the eye is lutein. Lutein is a naturally occurring carotenoids found in milk, vegetables and fruits. However, because the body can not synthesize lutein, lutein needs then you should also be helped by the intake from outside. Lutein can be found in all fruits that are red, orange and yellow. For example, tomatoes, carrots, spinach as well.

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