Homeostasis - Vision Correction Quiz
Preview:
A myopic person might have trouble:
A. reading small print
B. seeing clearly in low light
C. making out faraway objects
D. seeing certain colors
The defect of vision in which the person is able to see distant object distinctly but cannot see nearby objects clearly is called
A. far-sightedness
B. near-sightedness
C. presbyopia
D. All of above
What happens to the lens of your eye as you age?
A. it gets smaller
B. it bulges outward
C. it becomes less elastic
D. it becomes harder and thicker
What type of lens can correct the nearsightedness vision problem?
A. Concave
B. Convex
C. Plane
D. Curve
How can a convex lens correct farsightedness or hyperopia? The convex lens focuses images______________.
A. nearer in the eye, so they fall on the retina instead of behind it.
B. nearer in the eye, so they fall on the retina instead of in front it.
C. farther in the eye, so they fall on the retina instead of behind it.
D. forward in the eye, so they fall on the retina instead of behind it.
What condition refers to which nearby objects are seen clearly, but distant objects appear blurry?
A. Hyperopia
B. Myopia
C. Astigmatism
D. Blindness
Eye Problem where close objects may be distorted or blurry
A. Astigmatism
B. Farsighted
C. Nearsighted
D. Glaucoma
The lens of your eye is convex. Because of this, what happens to light as it passes through the lens?
A. Light is absorbed.
B. Light is reflected.
C. Light is refracted.
D. Light is transmitted.
What condition refers to which distant objects are seen clearly, but nearby objects appear blurry?
A. Hyperopia
B. Astigmatism
C. Myopia
D. Cataract
If your vision problems can be corrected by a convex lens, you:
A. Having trouble seeing nearby objects
B. Having trouble seeing faraway objects
C. Having trouble telling whether objects are close up or far away
D. Having blind spots at the edges of your vision
What does the optic nerve do?
A. transmit impulses from retina to brain
B. helps the eye focus
C. receives light and sends it to brain
D. transmits light rays to retina
Laser surgery:
A. changes the shape of your cornea
B. changes the distance between your cornea and retina
C. changes the size of your lens
D. places an invisivle lens in front of your eye
Which of the following is far-sightedness?
A. Myopia
B. Hypermetropia/Hyperopia
C. Presbyopia
D. All of the above
Which of the following statements is true of nearsighted people?
A. their retinas that are slightly misshapen
B. they have trouble seeing nearby objects
C. their vision problems can be corrected with convex lenses
D. the lenses of their eyes focus light in front of their retinas
