HTS Eye Strain Self-Test for Adults

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How often do you experience these symptoms?

Print out this test and circle the letter that best describes your experience for each statement.

N= Never S= Sometimes O= Often A= Always

1. I get blurred vision.	N S O A
2. I fall asleep while reading.	N S O A
3. I lose my concentration when reading.	N S O A
4. My vision seems worse in the afternoon/evening than in the morning.	N S O A
5. I have double vision.	N S O A
6. Working at a computer for a few hours gives me a headache.	N S O A
7. I close one eye when reading.	N S O A
8. My eyes feel tired at the end of the day.	N S O A
9. Words seem to run together when I read.	N S O A
10. I skip or repeat lines when reading.	N S O A
11. Objects in the room are briefly blurry when I look up from reading.	N S O A
12. I get tired when reading.	N S O A
13. I feel that my eyes are not working together.	N S O A
15. Prolonged reading or other close work gives me a headache.	N S O A
16. I get car sick.	N S O A
18. I get tired when I work at a computer.	N S O A
19. Reading in a car or on a bus is difficult.	N S O A
20. My eyes don’t work equally well.	N S O A
21. Print starts to look blurry after I read for awhile.	N S O A
22. I have eyestrain.	N S O A

Even one or two "always" or "often" answers -- or clusters of "sometimes" answers -- may signal that you have an eye muscle problem causing asthenopia-- the medical term for eyestrain.

Neck or shoulder tension or pain, back pain, and irritability when using a computer can be indirect, visually-related symptoms. Discuss your symptoms with your eye doctor. Using sophisticated equipment, your doctor can measure your binocular vision skills – test for convergence, accommodation, eye alignment and teamwork. If testing indicates irregularities, your eye doctor may recommend a vision therapy program. HTS can provide you with a list of doctors in your area who provide the computerized HTS Home Vision Therapy program.

Vision therapy can retrain your eye muscles to meet the visual demands of your responsibilities. You can have increased pleasure in reading and computer use, and enhanced school or work performance.