Learn How Contact Lenses are Made
Contact lenses are immensely popular, with a wide variety of types to fit almost every individual and their vision condition. New materials and modern technology have led to increased comfort, higher convenience, and sharper vision with contacts. In response, many people are now making the switch away from wearing eyeglasses for vision correction. At Dr. Sills and Associates, our expert optometrist, Dr. Richard Sills, performs eye exams and fittings for contact lenses regularly.
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How & What Are contact lenses made of?
There are two main types of lenses: Soft Contacts, and Rigid Gas Permeable (RGP).
Soft contact lenses are usually manufactured by a process called injection molding. The lens material is heated until melting point and then injected into a mold. Once the material dries, it takes on the contact lens shape of the mold. Sometimes, extra material must be removed before polishing this lens.
Most of the time, hydrogel is used as the material for soft lenses. This polymer is very water-absorbent, and high water content allows more oxygen to reach the eye. Some soft contact lenses contain as much as 70% water! One drawback is that a high quantity of water also increases the size of the lens, which some people find irritating. Less water leads to a thinner, more comfortable lens.
Soft lenses made from silicone hydrogel are newer on the scene. This advanced material enables increased oxygen permeability without the added size of larger lenses. Many of our patients in Fort Myers optometrist will help you choose the most appropriate colored contacts for your eyes!
Where Can I Find Quality Contact Lenses Near Me?
In addition to answering your questions about how contact lenses are made, our Fort Myers team is pleased to answer this question too!
If you’re looking for an alternative to eyeglasses, our optometrist will perform a thorough eye examination for contact lenses.
We’ll fit you with the ideal lenses – either soft contacts, rigid gas permeable, and specialty types, such as progressive lenses and colored contacts – in our hi-tech office.
Call Dr. Sills and Associates on 239-330-4993 in Fort Myers, Florida to schedule an eye exam with our optometrist, Dr. Richard Sills.
Alternatively book an appointment online here CLICK FOR AN APPOINTMENT