First Time User? Sign Up Now
First Time User? Enroll now.
Home > Fitness & Health > Health Library > Types of Contact Lenses
Several different types of contact lenses are available to treat vision problems. Consult an eye doctor who is willing to work with you to select the best type of lens for your needs and lifestyle.
Most hard (rigid) lenses are made of gas-permeable materials that allow oxygen to reach the cornea. This reduces problems that may occur when the cornea does not get enough oxygen. They correct refractive errors, including astigmatism, with no distortion.
Soft (silicone hydrogel) lenses are made of soft, very flexible plastics that absorb water (up to 90% of the lens weight). Many people find them more comfortable to wear than hard lenses, but hard lenses usually provide sharper vision. Soft lenses are more fragile than hard lenses and require more intensive cleaning. Soft lenses that can correct astigmatism are called toric lenses.
There are two types of disposable lenses:
Current as of: May 5, 2019
Author: Healthwise StaffMedical Review: Adam Husney, MD - Family Medicine
Current as of:
May 5, 2019
Medical Review:Adam Husney, MD - Family Medicine
To learn more about Healthwise, visit Healthwise.org.
© 1995-2019 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
Feeling under the weather?
Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.
Our interactive Decision Points guide you through making key health decisions by combining medical information with your personal information.
You'll find Decision Points to help you answer questions about:
Get started learning more about your health!
Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups, and pregnancy.
509 N. Bright Leaf Blvd.
Smithfield, NC 27577
Phone (919) 934-8171
Employee Intranet Login
Copyright 2020 UNC Health Care. All rights reserved.