Quiz Lesson 5: The human eye

Note: You have only one chance in all the questions. Please be sure before answer.

1.     The colored part of the eye is called the:

A)     Pupil
B)      Iris
C)      Retina
D)     Eyelash

2.  The                    allow you to see color.

A)     Iris
B)      Pupil
C)      Rods
D)     Cones

3.     Myopia can be caused by

A)     a long eye length
B)      a short eye length
C)      being too near to an object
D)     being too far from an object

4.     The retina acts as a

A)     Screen
B)      Magnifier
C)      Projector
D)     Focus

5.     Hyperopia occurs when

A)     Light rays focus on the retina
B)      Light rays focus in front of the retina
C)     Light rays focus in back of the retina
D) None

6.     The type of lens needed to correct nearsightedness are

A)     Converging
B)      Diverging
C)     Plane
D)     Thick

7.     Objects will appear to tilt if you have

A)     Myopia
B)      Hyperopia
C)      Astigmatism
D)     Glaucoma

8.     Your pupils dilate when Light is

A)     Brighter
B)      Dimmer
C)      The Same

9.     The eye shifts focus through the process of

A)     Accomodation
B)      Blinking
C)     Dilating
D)     Tearing

10. The first contact lenses were developed by

A)      Eugen Fick
B)      Kevin Tuohy
C)     Benjamin Franklin
D)     Julius Ceasar

Count your correct answers.

If you had 7 or more points you can go to the next lesson.

If you obtained less than 7, we recommend that you repeat this lesson.