wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

PLTW HBS 2.4

Total questions: 37

Worksheet time: 23mins

Name
Class
Date
1.
What part of the eye is this?
a)
cornea
b)
lens
c)
iris
d)
cilicary body
2.
What part of the eye is this?
a)
iris
b)
lens
c)
cornea
d)
retina
3.
What part of the eye is this?
a)
retina
b)
optic nerve
c)
fovea centralis
d)
choroid
4.
What part of the eye is this?
a)
choroid 
b)
sclera 
c)
cornea
d)
retina
5.
What part of the eye is the colored, muscular portion of the eye which controls pupil size?
a)
iris
b)
lens
c)
choroid
d)
ciliary body
6.
What part of the eye focuses light on the retina?
a)
lens
b)
retina
c)
pupil
d)
ciliary body
7.
Type of photoreceptor that is active in bright light and perceives color?
a)
fovea centralis
b)
cones
c)
rods
d)
optic disk
8.
What is the space inside the iris called?
a)
pupil
b)
ciliary body
c)
lens
d)
choroid
9.
Nearsightedness is also known as ....
a)
Myopia
b)
Hyperpopia
c)
Presbyopia
d)
none of the above
10.

ability to judge distance

a)

visual acuity

b)

farsighetness

c)

depth perception

d)

accommodation

11.

Where the optic nerve enters the eye

a)

Astigmatism

b)

Blind spot

c)

myopia

d)

cornea

12.

Defect in the shape of the eye

a)

depth perception

b)

refraction

c)

astigmatism

d)

visual acuity

13.

Which of the following structures does not contribute to the refraction of light?

a)

aqueous humor

b)

lens

c)

cornea

d)

iris

14.

Light passes through the following structures in which order?

a)

vitreous humor, lens, aqueous humor, cornea

b)

cornea, aqueous humor, lens, vitreous humor

c)

aqueous humor, cornea, lens, vitreous humor color.

d)

cornea, vitreous humor, lens, aqueous humor

15.

A is

a)

aqueous humor

b)

Vitreous Humor

c)

Iris

d)

Cornea

16.

Which term best describes this defintion:

A condition in which the visual image comes to a focus infront of the retina beause of defects in the refractive media of the eye or abnormal length of the eyeball

a)

astigmatism

b)

myopia

c)

hyperopia

d)

accommodation

17.

Farsightedness is also known as

a)

myopia

b)

hyperopia

c)

astigmatism

d)

accommodation

18.

A CONCAVE lens causes the light to

a)

diverge

b)

converge

c)

disapate

d)

travel past the retina

19.

A CONVEX lens causes the light to

a)

diverge

b)

converge

c)

disapate

d)

travel past the retina

20.

A CONCAVE lens would fix which issue of the eye?

(a)  

21.

A CONVEX lens would fix which issue of the eye?

(a)  

22.

An increase in ocular pressure may develop into _________ for a patient. The patient may have mild visual disturbances and little to no pain, but could eventually go blind.

a)

cataract

b)

glaucoma

c)

astigmatism

d)

macular degeneration

23.

When there is damage to the retina or the retina is broken down due to a disease, which can cause loss of vision and decrease peripheral vision

a)

myopia

b)

glaucoma

c)

cataracts

d)

retinitis pigmentosa

24.

The clouding of the lens which develops as patients age

a)

cataracts

b)

glaucoma

c)

astigmatism

d)

macular degeneration

25.

The part of the eye that is shiny blue in the picture.

a)

retina

b)

sclera

c)

tapetum

d)

optic nerve

26.

What is the most SUPERFICIAL structure of the eye

(a)  

27.

The optic nerve connects the retina to the (a)   lobe of the brain

28.

When a set of cones become fatigued while other continue to function, it creates an illusion called

a)

afterimage

b)

blind spot

c)

eye strain

d)

glaucoma

29.

Colorblindess is

a)

a deficiency in one of the three types of cones

b)

the absence of all cones

c)

easily corrected by prescription lenses

d)

is a deficiency of the number of rods

30.

The Snellen chart is used to test a person's _____________

a)

fovea centralis

b)

acuity

c)

cataracts

d)

retina

31.

The system that allows for accommodation

a)

muscular

b)

myopia

c)

Visual

d)

Nervous

32.

The fovea centralis and the blind spot are both regions of the _________________

a)

acuity

b)

near point

c)

retina

d)

after images

33.

near point determination is called?

a)

crossed eyes

b)

color blindness

c)

snellen eye chart

d)

presbyopia test

34.

How many kinds of cones human eyes have (type #)

a)

2

b)

1

c)

3

d)

5

35.

Peripheral vision is best for monitoring _____________

a)

myopia

b)

motion

c)

acuity

d)

distance

36.

How close something can be to the eyes and still allow the eyes to focus

a)

depth perception

b)

near point

c)

far point

d)

hyperopia

37.

These phenomena are related to the brain misunderstanding size, color, distance or position of objects?

a)

fovea centralis

b)

depth perception

c)

optical illusions

d)

peripheral vision