Definition

Take the Vision Test

Find out how much you know about your eyes.

1. Which of these is a leading cause of vision loss or blindness?




2. How do tears benefit the eyes?




3. What does 20/20 vision mean?




4. Computer vision syndrome (CVS) is a group of eye and vision-related problems resulting from long periods of computer use. Which one of these symptoms is linked to CVS?




5. Which of these will help reduce eyestrain when you work at a computer?




6. How often should adults ages 40 to 65 have an eye exam?




7. Which of these vision problems does refractive surgery correct?




8. Which of these diseases is a common cause of blindness?




9. Which of these eye care providers is qualified to do surgery?




Author: Sinovic, Dianna

Online Medical Reviewer: Haupert, Christopher L, MD

Online Medical Reviewer: Novick, Tara BSN MSN

Online Medical Reviewer: Seltman, Wendy MD

Date Last Reviewed: 09/01/2022

© 2000-2026 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
user headset icon

Need Help? We're Here for You

Our Member Services team is here to help you understand your benefits, find care, or resolve concerns.

1-800-510-9132
quit smoking icon

Call NC Quitline

Need support to quit smoking, vaping, or to quit other nicotine products? You can receive support including medicines free of charge:

1-800-784-8669
car and bus icon

Schedule Transportation

Need transportation to a doctor's office, pharmacy, or other covered healthcare service? Contact us to arrange your ride.

1-800-510-9132
Stethoscope icon

Provider Directory

Need to find a provider like a Primary Care Physician, Specialist, OB/GYN, or a Psychiatrist? 

Provider Directory
Related Articles
Read article
Eye Care
How the Eye Works

Sharp vision depends on many factors. The parts of the eye work together to bend (refract) and focus light rays.

Read article
Eye Care
Cataracts

A cataract is a clouding of the lens of the eye. This is an area that is normally clear. Cataracts can cause cloudy or blurry vision.

Read article
Eye Care
Refractive Errors

Read on to learn about common refractive errors, including astigmatism, nearsightedness, and farsightedness.

Read article
Eye Care
Optic Neuritis

Optic neuritis is a condition that affects the eye and your vision. It occurs when the optic nerve is inflamed.