Posts Tagged ‘eyes’
About the eye drop
The human eye is equipped with a good protection system. Starting from the eyelashes, eyebrows, blink reflex, and tears. Therefore, eye drops is required only under certain conditions.
As in the case of dry eye syndrome or a decreased tear production due to aging can use artificial tears. In the eyes of an allergy caused by dust or other small particles with symptoms of itching, redness and sometimes nod, you can use eye drops containing antihistamines. In the eyes of the infection should be consulted with experts in the selection of the right eye drops. Meanwhile, the use of boorwater to wash the eyes is not recommended routinely.
However, in its use should be consulted with experts. Considering that the eye drops which are sold freely contain substances of eyes narrowed vessels (vasoconstrictor). This substance in an instant can eliminate red-eye effect from exposed to dust or dirt. However, when used over long periods can trigger disorders as glaucoma, especially for those who are genetically gifted.
Disorders of the eye
The eye is a body sensor that detects light. The sections on the organ of the eye, working together to deliver the light from the source to the brain, in order to be digested by the nervous system. Although the eye is an organ that susceptible to interference, actually the eye was a very safe and secure in design. Eyes are located in the cavity on the skull. Eyelid protects the eye in the front. Eyelash caught many particles, which can enter the eye. Automatically, our eyes blinked average every six seconds, so the dirt in the eyes washed by tears. As further protection, the eyelid automatically closes, when there are objects coming toward the eye.
Various substances that may endanger the eyes and the trivial habits, often unconscious had intimidated the eye, resulting in the accumulation of damage. Disorders of the eye that occurs, there are temporary and can be cured, others can cause blindness.
Myopic eyes
In the normal eye, the shadow of the object falls right on the retina. The loose of ciliary muscles, making eye lenses thinned so that the eye can see objects clearly at a distance of 6 meters or more. To see closer objects, the ciliary muscle contracts to thicken the eye lens. In the troubled eyes, the shape of the eyeball is not normal anymore and the eye lens is less elastic with age. The result is a refractive disorder or disturbance of focus, namely the deviation of parallel rays reflected from the object being viewed. Rays are refracted by the lens of the eye, does not exactly fall on the retina. Abnormalities of refraction will produce a disorder called myopic. This can be overcome by using glasses or contact lenses. Read the rest of this entry »