The Eyes: Visual Sense

Question 1

Shape of the eyes

Answer 1

Ball-shaped

Question 2

Power to react to the stimuli

Answer 2

Sensibility

Question 3

The ability to conduct and transport messages

Answer 3

Conductivity

Question 4

Capacity to react to certain stimuli

Answer 4

Specificity

Question 5

Capability to be used to a particular stimuli

Answer 5

Adaptability

Question 6

Where the eyes is found

Answer 6

Eye socket

Question 7

A transparent protective window that is constantly washed by tears making it always clean

Answer 7

Cornea

Question 8

Where the rays of light travel first

Answer 8

Cornea

Question 9

Colored part of the eyes

Answer 9

Iris

Question 10

At the middle of the iris is dark hole called ______ also it is where the light enters

Answer 10

Pupil

Question 11

Once light passes through the pupil it enters the _____ which is located behind the pupil

Answer 11

Lens

Question 12

The lens active entries of light to focus them on the _____

Answer 12

Retina

Question 13

Is the part of the eyes that changes electromagnetic energy of light into useful information for the brain

Answer 13

Retina

Question 14

A thin layer of nerve cells at the back of the eyeball

Answer 14

Retina

Question 15

Two types of light sensitive receptor cells in the retina

Answer 15

Rods & cones

Question 16

Responsible for a twilight vision or light of low intensity; long and cylindrical

Answer 16

Rods

Question 17

Responsible for daylight vision and colors; short, thick and tapered

Answer 17

Cones

Question 18

The center of the retina is the ______ which is the point of the clearest vision in the daylight; very sensitive region of the retina

Answer 18

Fovea centralis

Question 19

It starts a chain of events which transform light into neural impulses that communicate to the brain through _____

Answer 19

Optic nerve

Question 20

The optic nerve is a bundle of ________ cells at the back of the eyeball

Answer 20

Ganglion

Question 21

It collect and summarize visual information which are gathered and move out of the back of the eyeball

Answer 21

Ganglion cells

Question 22

It is a bundle of ganglion axons

Answer 22

Optic nerve

Question 23

A point between and behind the eyes wherein the more impulses from the optic nerve are reversed in the brain

Answer 23

Optic chasm

Question 24

People who find difficulty in seeing a light or object at night are called

Answer 24

Night - blind

Question 25

Night blindness results from deficiency in the pigmentation layer in the retina which supplies

Answer 25

Rhodopsin

Question 26

Caused by ABNORMAL LONG EYEBALL so that the image is focused in front of the retina; can see the near objects.

Answer 26

Myopia or Nearsightedness

Question 27

Myopia or Nearsightedness have to wear eyeglasses with _____

Answer 27

Concave lenses

Question 28

when the EYEBALL IS SO SHORT dati image is focused behind the retina; can see clearly at a far distance

Answer 28

Hyperopia or Farsightedness

Question 29

Hyperopia or Farsightedness have to wear eyeglasses with ____

Answer 29

Convex lenses

Question 30

Farsightedness of OLD AGE which is caused by the SLOW HARDENING of the lens

Answer 30

Presbyopia

Question 31

Caused by the UNEVEN CURVATURE of the cornea

Answer 31

Astigmatism

Question 32

Is congenital farsightedness or defect in the eye muscles; have an equal vision in the two eyes

Answer 32

Cross-eye

Question 33

Cross eye can be corrected before the child turns ____

Answer 33

6 yrs old

Question 34

Caused by a CONCENTRIC NARROWING of the field of vision so that a person seems to be looking through a channel or pipe

Answer 34

Tunnel vision

Question 35

Caused by a muscular imbalance which permits light to be reflected from one point to fall on non-responding receptors in the two retina so that two different images are transmitted to the brain

Answer 35

Diplopia or double vision

Question 36

Resulting from excessive use of tobacco or alcohol or from over exposure to light producing temporary or permanent blindspot interfering with vision

Answer 36

Scoma

Question 37

A rapid involuntary side movement of the eyeball or optic nystagmus

Answer 37

Albinism

Question 38

The lens of the eyes changes from clear transparent structure to a cloudy or opaque eyes

Answer 38

Cataract

Question 39

Cause of new cases of blindness characterized by hemorrhaging of the tiny vessels of the retina as a result vision is blurred or distorted

Answer 39

Diabetic retinopathy

Question 40

Part of the eyes that give them color

Answer 40

Iris