Advantages And Lens Fitting Of Contact Lenses

It is undeniable that eyeglasses and contact lenses have their own pros and cons

, although both of them are designed to correct all common vision problems including myopia, hyperopia and astigmatism. Once there is a vision defect diagnosed by an eye doctor, the patient must make a choice to wear whether contacts or glasses. This selection between glasses versus contact lenses high depends on both the doctor and the patient.

Some people prefer contact lenses to eyeglasses because they appreciate benefits of contacts more than that of glasses. The greatest advantage of contacts is that the wearers are free from bulky glass frames on their face. This benefit is quite important for those who regularly participate in sports. On the contrary, these wearers choose to neglect the disadvantages of contacts. For instance, lenses usually require a period of adjustment at the beginning. During the first several days or weeks, many people may feel a foreign body sensation and uncomfortable. But in the long run, contact lenses are more comfortable than prescription eyeglasses.

When it comes to lens evaluation, a key point is lens fitting. This consideration should not be ignored because lens fitting determines both the comfort of lenses and visual outcomes. For individuals who firstly wear contact lenses, an eye doctor will offer several types of contacts for selection. The determination of lens type relies on the lifestyle of the wearer as well as other health conditions.

The next step is to measure the curvatures of the eyes using an instrument named keratometer. This curvature measurement is basically for lens fitting. For further measurement of exact eye size, shape and curvature levels, a computer may be used. These measurements are necessary to ensure proper and correct lens fitting.

Contact lenses prescribed by an eye doctor should not be too flat nor to steep, in any case may corneal damage be caused. Improperly fitted contact lenses are likely to cause discomfort.

by: homas Carter

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