Contact Lenses
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There are many options when it comes to contact lenses. They come in various shapes, sizes and colors depending on your needs, lifestyle and type of correction, be it hyperopia, myopia or astigmatism.
Contact lenses come in a variety of materials and designs including:
- Orthokeratology, or ortho-k, lenses are designed specifically to reshape the cornea during sleep, so there is no lens wear during the daytime.
- Silicone hydrogel contact lenses allow more oxygen to pass through the lens to the eye, and they are less prone to dehydration.
- Bifocal contact lenses function just like bifocal or multifocal eyeglass lenses. They contain different sections for near and far vision to correct presbyopia, which is related to age and causes a decreased ability to have a full range of vision.
- Monovision consists of one contact lens worn with one power to correct distance vision and the other lens at a different power to correct for near vision, with the distance vision lens usually worn in the dominant eye.
- Daily disposable contact lenses are only worn for one day and discarded before you go to sleep. They are convenient for people who have difficulty remembering to clean their lenses.
- Toric contacts correct mainly for astigmatism, as well as for myopia and hyperopia.
- Extended wear contacts can be worn for up to seven consecutive days.
- Colored contacts and theatrical contact lenses can change your eye color, but must still be ordered with a prescription from an eye doctor.
Your eye doctor must write you a contact lens prescription in order to buy contact lenses.
Learn about contact lens discounts and how you may be eligible for free contacts at AllAboutVision.com.
Do you still have questions about contacts? You can find over 25 pages of information answering general contact lens questions at AllAboutVision.com. Examples include: