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Controlling Myopia, Minus Hope Not Increase Continues

It seems there are no people with myopia or minus eyeglass wearers who do not want minusnya not continue to grow, and hopefully can go down, or even a full recovery does not need glasses anymore. For patients with moderate or severe myopia category (> -3.00), hopes that the minus can be decreased dramatically or recovered are things that are not easily met. Only Lasik and methods of operative / other surgery (LASEK, keratotomy) are already significantly can prove its success. But it seeks compensation costs are still considered very expensive for the majority of society. Hope of glasses? Glasses (minus lens) is not intended to cure minuses, but to correct or improve visual acuity is impaired due to myopia. Whereas cases of high myopia does not just mean a blurring of vision, but also often accompanied by eye health problems are quite serious. Tear and retinal detachment danger that threatens people with high myopia is the most serious, can lead to total blindness.
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Given the seriousness of the dangers that follow in case of high myopia, the effort to control myopia (myopia control) that aims to suppress / inhibit the rate of myopia to a minimum, was considered by many health experts since the first eye. Various studies and research have been done, although there are some methods that are not documented in detail about its effectiveness. However, at least there are several methods that can be taken into consideration for parents who have children who suffer from myopia. Why are children being targeted? Because in times of growth that there is still hope to influence their physical development, especially in this case is the organ of vision. Myopia suffered since childhood will tend to increase along with physical growth. If pertambahannya quite fast, when the adult will be able to end up with very high myopia. Even so, people with myopia grown also worth considering this myopia control, especially in the job requires continuous close vision.

How many ways suggested by the experts for the implementation of this myopia control, however, there has been no agreement on one particular method that can provide the most satisfactory success rate. Various studies and research on it is still continuing to this day.

Ortokeratologi.
In some literature, ortokeratologi actually aims to “heal” myopia are still in a very light level. It can be traced from the method which is an attempt to establish the curvature of the cornea so that more flat / flat with contact lenses rigid / stiff (instead of contact lenses) designed specifically. Contact lenses are generally made from materials that are high gas permeable (easily passed through the air, so that the cornea gets enough oxygen) has a base curvature is more flat / flat (1:00 to 2:00 D) of the curvature of the cornea of ​​the patient. However, there are some experts who use this ortokeratologi as one method of controlling myopia. For that, the patient is asked to wear contact lenses at certain times (usually night). In one study conducted by an expert from Houston documented here, each program participant whose age varies from 5 to> 21 years were asked to wear the contact lenses every night for five years. During that period, patients were examined periodically to determine its development. The result looks quite satisfactory. 97% of 519 participants expressed do not experience the degree of myopia or pertambahannya gain is very small.

Using contact lenses RGP (Rigid Gas Permeable).
Although both use contact lenses kind of rigid / stiff, this method only using RGP contact lenses are commonly used to correct refractive errors, as softlens and glasses. So the function of RGP contact lenses here indeed as a substitute for glasses or softlens. According to some studies that have been conducted by health experts eyesight, this type of contact lens wear can indeed reduce the rate of myopia, although the results are not as good as ortokeratologi method. This type of contact lens is also able to provide a better quality of vision than soflen and glasses.

Using bifocal lenses.
Some experts agree that the accommodation can be a factor arise myopia. Accommodation is an activity initiated by the brain in response to the out of focus condition that occurs in the eyeball. Conditions focus out of this occurs when an object seen by the eye are within close proximity.
out of focus
The brain responds by sending commands to the ciliary muscle that holds the lens of the eye to contract so that the lens becomes more bloated and bias power increases. With increasing bias power will create a focal point previously located behind the retina be shifted forward and be right on the retina. Accommodation continuously will cause the eyes tired, can even cause spasticity (spasms) accommodation.
In connection with the provision of bifocal glasses myopia control is intended to reduce the burden of such accommodation. Reduction of the burden of accommodation is what is believed to reduce the rate of myopia. However, among optical practitioners Indonesia, giving bifocal spectacles for children or adolescents may be considered strange, because many of them do not understand about this myopia control methods. In addition, most of the parents of these children also tend to not want to look like her look like an old man. Both of these factors lead to myopia control method is somewhat less popular.

Using multifocal lenses.
The principle is the same with the use of bifocal lenses, it’s just the kind of multifocal lens / multifocal did not reveal the line that separates the area to see far and near to see the area. In fact, there are manufacturers who designed the lens multifocal lenses dedicated for use in the control of this myopia. The existence of this multifocal lens would be able to be the answer for those who do not want their children to look old with bifocal lenses.

Undercorrection methods.
This is done by giving the size of the lens correction berdioptri weaker than it should be. With glasses that under this correction, accommodation at the time notice would not be near as strong as if wearing glasses minus the full size. But it also must be careful consideration so as not overly harm the eyesight away, especially for school children. Given the size of minus glasses should be arranged in such a way so that just enough to be able to see the writing on the blackboard.

Limiting the use of glasses.
Often, a seller of glasses that are lacking in knowledge of the mechanisms of vision would suggest that patients with myopia to wear glasses minus continuously. The suggestion is actually less true, especially for lightweight minus (-3.00 or less). Myopia is also called farsightedness because the sufferer will experience blurred vision when viewing distant only. This is because the focal point within the eyeball is not exactly on the retina, but is in front of the retina. When viewing a near (eg reading books) at which time the focal point shifted backward and closer to the retina, minus the glasses are not so necessary anymore. If the glasses minus continues to be used, the focal point will actually too far up behind the retina and make the eyes should accomodation. Activity this accommodation should be much reduced to reduce the rate of myopia. In essence, minus wear glasses only when absolutely necessary.

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