subject: Introduction Of Contact Lens Prescriptions [print this page] Why you need contact lens prescriptions?
Contact lenses, like glasses, are not like a one-size-fits-all baseball cap that fit to everyone all over the world. Each patient needs a pair of special contact lenses according to the eye condition whether the contact lenses are used to correct vision or just to change the eye color. Everyone need best suitable lens because the ill-fitting contact lens may cause uncomfortable or even eye problem. Contact lens prescriptions are used to make sure you can get the perfect-fitting lenses.
How to get a contact lens prescription?
There are three kinds of eye doctors, ophthalmologists, optometrists, and opticians. In order to avoid serious eye problems, youd better to consult ophthalmologists or optometrists and ask for a suitable contact lens prescription. Not all opticians are eligible to give you lens prescription, and only the licensed opticians have the right to sell eye care goods directly. In order to get your lens prescription, there are several steps you need to follow. You need to have your eyes examined in the eye clinics, so that you can know the exact contact lenses type you need. You also should know the correction degree, the size of your eyes, and the curvature of your eyes.
Where to purchase contact lenses?
With all the information about your eye conditions in the contact lenses prescription, you can buy the lenses in verified optical shops or store, or eye care professionals office. Although there are many contact lenses retailers available online, you are recommended to purchase lenses from reputable retailers with a valid prescription.
Period of contact lenses validity
Most contact lens prescription has at least on year validity, and some may have a long period of two years. During this period you can purchase lenses according to the prescription. After it is expired, your eye condition may have been changed, so you should visit your eye doctor, have your eyes examined again, and get a new contact lens prescription.