subject: Questions and Answers to Contact Lenses [print this page] Questions and Answers to Contact Lenses Questions and Answers to Contact Lenses
Since the time when corrective contact lenses come into use, many questions, even doubts, linger on many people's minds. Here below are some questions and corresponding answers:
Am I a candidate for contact lenses?
Contact lenses work similar to eyeglasses we wear. They achieve to correct our vision by changing the way light shining into eyes and reflecting on the retina. Therefore, people with nearsightedness, hyperopia, astigmatism or presbyopia are all candidates. Therefore, either from an aesthetic point of view or from the convenient one, contacts should be a better choice.
What should I do if I want to switch to contacts?
Contact lenses are medical devices, therefore, if you want to buy one, you should carry a valid prescription from your eye doctor.
What are the types of contacts?
There are generally four types of contacts. They are respectively rigid gas permeable contact lenses, soft contact lenses, extended wear contact lenses and disposable contact lenses. The soft ones are the most commonly, for they are comfortable wear. And the disposable ones are especially designed for those who have sensitive eyes.
Do contact lenses have side effects on my sight?
For one will have to put the contact lenses directly on the retina, it would always give people a misconception that those lenses would do harm to their eye health and a deterioration of eyesight is possible. However, the fact is that those lenses are specifically designed, and such a rumour is never true. Nevertheless, if you do not buy contacts accordingly, your eye health will not be guaranteed. Contact lenses should be worn only when prescribed by an ophthalmologist, eye care professional or contact lens specialist. Corrective lenses should only be prescribed after a proper eye exam and diagnosis.
What are the possible inadaptabilities when you first wear contact lenses?
People who are used to wear regular glasses would be taken back firstly by the fact that the peripheral vision is so much better with the contact lenses. As a result, temporary dizzy is possible. What's more, contact lenses anyhow are foreign bodies to eyes, therefore, some people would experience water eyes or red eyes when they first wear contact. Such symptoms would usually disappear automatically within a week as your eyes get accustomed with them.
