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Monovision Lasik

June 18th, 2008 Posted in Lasik Knowledgebase

Monovision is a technique to reduce the need for reading glasses or binoculars working around presbyopia. Monovision can be achieved with Lasik or contact lenses.

The need for near vision lenses is almost universal for people as they enter their half years. As we mature, the natural crystalline lenses in the eyes become strong, enlarged and lose flexibility. This event occurring naturally diminish the ability to vary the crystalline form for different ranges of concentration. This condition is known as presbyopia and is most often first detected in people between 40 and 50 years old. A clear sign of presbyopia is when you can not read without holding the item away from you. For many, distance vision remains relatively little affected by presbyopia.
Near Sight

When there is presbyopia, most people do well with reading glasses, binoculars, or trifocal lenses. Reading glasses, binoculars, and trifocals more power lenses that are commonly used for someone who has hyperopia (Farsighter, longsighted), however a plus power optical aid to someone who is presbyopic glasses because these provide a small amount of myopia (nearsighted, shortsighted) vision.

There are two ways to depict the myopia. One is that you can not see things very far very well. The other is that you can see things very close. People with a small amount of myopia can simply remove his glasses to read. However, people with normal vision before, those who are already hyperopia, or those who use contact lenses to correct distance in complete need to use reading glasses for close work.

Even if it is not having problems with presbyopia, if contemplating refractive surgery and nearly 40 years after correction with refractive surgery a person could be hit with the immediate need for reading glasses, because of a phenomenon we call “Presbyopia sudden. ”

Bifocals and trifocals are used to provide both near and far vision without having to constantly put on and remove a pair of glasses or switch between two pairs of glasses.
There can be Nearsighted and Farsighter

Because reading glasses provide a more energy normally used to correct farsightedness, many people mistakenly believe they are becoming hyperopes. The myopic above may believe they are both myopia and hyperopia, which are mutually exclusive. Whenever changes occur in vision, it is always better to be assessed by a medical eye care to determine exactly the problem.

Anyone who has needed to use the readers, as they are often called, knows how frustrating and irritating presbyopia can be. Many people have had excellent near and distant vision without glasses all his life, until readers need to be feared because of presbyopia.
There is no cure, but a reliable solution

Currently there is no reliable and predictable techniques of surgery or medicine that will cure presbyopia outright, however there are a number of permanent and semi-permanent techniques to cope with the concentration changes and challenges caused by presbyopia. One of the most popular ways to work around presbyopia is with monovision correction. For many, monovision will reduce or eliminate the need for readers, binoculars, or trifocals. The concept of monovision is very simple. One eye is corrected for near vision and the other eye is corrected for distance vision. The brain of the figures eyes to use and when. How to achieve monovision varies, depending on the patient’s current view.

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