5 Reasons To Wear Focus Night And Day Contact Lenses

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 5 Reasons to Wear Focus Night and Day Contact Lenses

5 Reasons to Wear Focus Night and Day Contact Lenses

Since the discovery of Laser a lot of advancement has been made for its application. Most notable Eagle Eye 911 Review use of laser is evident in the field of medicine. Lasers could be used in various types of surgery especially in vision correcting of the eyes. Vision correction using laser has been around for some time, this started when the first excimer laser was discovered in the 1950's.

Vision problems and refractive errors such as myopia (near-sightedness), hyperopia (far-sightedness), and astigmatism (distorted visions) could be corrected using laser surgery procedure. These problems are associated with how the eyes focus on images in the retina, the light sensitive part on the back of the eye. Also an important factor in the eyes ability to focus lies on the shape of the cornea, the clear front surface of the eye.

In a laser eye surgery a laser device is used to make changes in the shape and contour of the cornea. An excimer laser is often used for this procedure; this produces an ultraviolet light that is vaporizing unwanted tissues. This procedure would alter the contour and shape of the cornea thus correcting mild to moderate refractive errors.

The most common eye laser procedures are the PRK (Photo Refractive Keratectomy), LASIK (Laser Assisted situ Keratectomy), the recently developed LASEK (Laser Epithelial Keratomileusis), and the Epi-LASIK. In PRK the doctor removes the outer layer of the cornea (epithelium) using a surgical blade. A computer guided laser beam is then used to cut and vaporize tissues in the cornea. It usually removes just enough tissue to reshape the cornea thus resulting in improved vision. Healing process for this type of procedure is usually a 5 days to 1 week.

 

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