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Diseases and Conditions
Correcting or Improving Vision Problems
Eye Safety at the Computer
Vision Milestones
View All 6
Pediatric Diseases and Conditions
Age-Appropriate Vision Milestones
Normal Vision
Problems With Vision
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Articles
For Healthy Eyes, Take the Long View
How Much Do You Know About Vision Care?
Taking Good Care of Your Eyes
View All 9
News
Cases of Age-Related Farsightedness to Soar
Chinese Work Sees Through Invisibility Quest
Not All Sunglasses Are Created Equal
View All 160
Interactive Tools
Eye Quiz
Eyesight Quiz
What Do You Know About Cataracts?
Take the Vision Test
Find out how much you know about your eyes.
Which of these is a leading cause of blindness?
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The correct answer is
That's why it's important to get regular eye exams.
A.
diabetes
B.
glaucoma
C.
macular degeneration
D.
all of the above
How do tears benefit the eyes?
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The correct answer is
Tears can also be a reaction to an irritant in the eye, to bright light or to spicy foods, as well as to emotional upset (crying).
A.
by moistening them
B.
by coating them with antibodies
C.
by delivering nutrients to them
D.
a, b and c
4. What does 20/20 vision mean?
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The correct answer is
20/20 vision is defined by what a person with normal vision can see clearly from 20 feet away. A reading of 20/40 means the person sees at 20 feet what the person with perfect vision can see at 40 feet.
A.
can see objects clearly at 20 feet
B.
can see objects clearly at 20 yards
C.
can see objects clearly at 20 inches
D.
can see clearly at 20 feet in right eye and left eye
Which of these computer users are more likely to have focusing problems?
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The correct answer is
In middle age, we lose our ability to focus well without glasses. This is a condition called presbyopia. Special prescription eyeglasses for computer use can help.
A.
first-time users
B.
young adults
C.
contact-lens wearers
D.
people older than 50
Which of these will help reduce eyestrain when you work at a computer?
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The correct answer is
All of the above.
A.
frequent blinking
B.
shifting focus from near to far object
C.
eliminating glare on the screen
D.
all of the above
How often should adults age 18 to 50 have an eye exam?
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The correct answer is
For those with normal vision, every three to five years until age 50 can be adequate. After age 50, have annual exams.
A.
every five years
B.
every two years
C.
annually
D.
when you have difficulty seeing
Which of these vision problems does refractive surgery correct?
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The correct answer is
his procedure involves making incisions in the cornea to change the angle of light refraction. It does not correct a form of farsightedness called presbyopia.
A.
nearsightedness
B.
farsightedness
C.
astigmatism
D.
a, b and c
Which of these diseases is a common cause of blindness?
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The correct answer is
The condition is called diabetic retinopathy.
A.
heart disease
B.
asthma
C.
diabetes
D.
lung cancer
Which of these eye-care professionals is qualified to perform surgery?
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The correct answer is
An ophthalmologist is the only eye-care professional qualified to perform surgery.
A.
optician
B.
ophthalmologist
C.
optometrist
D.
b and c
Your score was:
Online Medical Reviewer:
Uhler, Tara MD
Last Annual Review Date:
1/17/2008