Breathing Eyes and Contact Lenses
Chelsea Francis 2011-11-18
Did you know that our eyes breathe? In a sense they do, as they take oxygen from the air, diffuse it via our tears over the cornea, and even dispatches carbon dioxide into the air—much the same way as our normal inhaling/exhaling process. Corneas (the clear window at the front of the eye) have no blood vessels to feed them, so they require adequate amounts of oxygen to remain healthy and stave off infections and complications that threaten vision.
Contact Lenses As a Preferable Vision Correction Option over Surgery
Chelsea Francis 2011-07-15
Outside of eyeglasses, the two most prevalent means of vision correction today are surgery (most often the laser procedure called LASIK) and contact lenses. Many ask that of the two options, which is better? Both methods allow for a ‘natural look’, but with differing approaches.
Contact Lens Compliance, Necessary for Eye Health
Chelsea Francis 2011-07-05
Contact lenses have proven to be a great boon to those who need vision correction but still want to maintain the natural freedom of not wearing glasses. However, there is a tendency to forget that the continued enjoyment of this convenience comes with a price—the need to follow required practices, instructions, and habits to ensure the healthy use of these lenses.
Obtaining Your Contact Lenses the Right Way
Chelsea Francis 2011-05-27
One of the major improvements in the contact lens industry in recent years (aside from technological advances) is in the area of convenience. Thanks to a 2004 federal law, contacts can be purchased in many venues other than from eye doctors. While this has been advantageous to consumers, there has been a mindset growing among many wondering if this freedom makes it all right to somehow bypass the ‘traditional’ process of seeing an eye doctor or getting a prescription. This has especially followed the mainstream marketing of cosmetic, costume, or fashion lenses.
Astigmatism No Longer Bars You from Contact Lenses
Chelsea Francis 2011-03-31
Astigmatism affects over 40 million Americans and is caused by an irregularly shaped cornea. When the cornea, which acts as a window, is a spherical shape it focuses light correctly upon the retina at the back of the eye; this produces sharp images at all distances. Conversely, in instances where the cornea takes on a more oval shape, the light is focused at two retinal locations rather than one and blurry vision is the result.
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