Ch 2

Question 1

In oscillation that travels through a medium by transferring energy from one partical or point to another without causing any permanent displacement of the medium

Answer 1

Wave

Question 2

A quantum of visible light or other form of electromagnetic radiation demonstrating both particle and wave properties

Answer 2

Photon

Question 3

To take up something such as light, noise, or energy and not transmit it at all

Answer 3

Absorb

Question 4

To disperse something such as light in an irregular fashion

Answer 4

Scatter

Question 5

To redirect something that strikes a surface especially light, sound, or heat usually back toward its point of origin

Answer 5

Reflect

Question 6

To convey something from one place or thing to another

Answer 6

Transmit

Question 7

One to alter the course of a wave of energy that passes into something from another medium, as water does to light entering it from the air. Two to measure the degree of refraction in a lens or Eye

Answer 7

Refract

Question 8

A picture or likeness

Answer 8

Image

Question 9

The transparent window into the eyeball

Answer 9

Cornea

Question 10

Allowing light to pass through with no interruption, so that objects on the other side can be clearly seen

Answer 10

Transparent

Question 11

The watery fluid in the anterior chamber of the eye

Answer 11

Aqueous humor

Question 12

The len inside the eye that enables the changing of focus

Answer 12

Lens

Question 13

The dark circular opening at the center of the iris in the eye where light enters the eye

Answer 13

People

Question 14

The transparent fluid that fills the vitreous chamber in the posterior part of life

Answer 14

Vitreous humor

Question 15

A light sensitive membrane in the back of the eye that contains rods and cones, which receive an image from the lens and send it to the brain through optic nerve

Answer 15

Retina

Question 16

The condition in which there is no refractive error, because the reflective power of the eye is perfectly matched to the length of the eyeball

Answer 16

Emmetropia

Question 17

A unit of measurement of the optic power of the lens. It is equal to the reciprocal of the focal links, in meters. A 2 diopter lens will bring parallel rays of light into focus at half meter

Answer 17

Diopter

Question 18

Nearsightedness, a common condition in which light entering the eye is focused in front of the retina and distant objects cannot be seen sharply

Answer 18

Myopia

Question 19

Farsightedness a condition in which light entering the eye is focused behind the retina and accommodation is required in order to see near objects clearly

Answer 19

Hyperopia

Question 20

A visual defects caused by the unequal curving of one or more of the refractive surfaces of that I usually the cornea

Answer 20

Astigmatism

Question 21

The process by which the eye changes its focus

Answer 21

Accommodation

Question 22

Literally old site the age related loss of accommodation which makes it difficult to focus on near objects

Answer 22

presbyopia

Question 23

An opacity of the crystalline lens

Answer 23

Cataract

Question 24

To convert from one form of energy to another

Answer 24

Transduce

Question 25

The back layer of the right now with the eye doctor sees through an ophthamoscope

Answer 25

Fund us

Question 26

A light sensitive receptor in the retina

Answer 26

Photo receptor

Question 27

A photo receptor specialized for night vision

Answer 27

Rod

Question 28

A photo receptor specialized for fine vision acuity and color

Answer 28

Cone

Question 29

A small pit near the center of the macula that contains the highest concentration of cones and no rods it is the portion of the retina that produces the highest visual acuity and serves as the point of fixation

Answer 29

Phobia

Question 30

The distance between the retinal image in the fovea

Answer 30

Eccentricity

Question 31

The part of the photo receptor that contains photo pigment molecules

Answer 31

Outer segment

Question 32

The part of the photo receptor that lies between the outer segment in the cell nucleus

Answer 32

Inner segment

Question 33

The location where axons terminate at the synapse for transmission of information about the release of chemical transmitters

Answer 33

Synaptic terminal

Question 34

Though eye-catching part of the visual pigment of the retina

Answer 34

Chromophore

Question 35

The visual pigment found in rods

Answer 35

Rhodopsin

Question 36

A photo pigment that is sensitive to ambient light

Answer 36

Melanopsin

Question 37

I specialize retina so that context both photoreceptor and bipolar cells

Answer 37

Horizontal cell

Question 38

Antagonistic neural interaction between adjacent regions of the retina

Answer 38

Lateral inhibition

Question 39

A retinal cell found in the inner synaptic layer that makes synaptic contacts with bipolar cells ganglion cells and other amacrine cells

Answer 39

Amacrine cell

Question 40

A wreck yourself that synapses with either rods or cones in with horizontal cells and then passes the signals onto ganglion cells

Answer 40

Bipolar cell

Question 41

A bipolar retinal so who’s processes are spread out to receive input from multiple cones

Answer 41

Diffuse bipolar cell

Question 42

One the ability to perceive be at the sense organs to Extrem responsiveness to radiation especially to light of a specific wavelengths three the ability to respond to transmit signals

Answer 42

Sensitivity

Question 43

A measure of the finest detail that can be resolved by the eyes

Answer 43

Visual acuity

Question 44

Hey small bipolar cells in the central retinal that receives input from a single cone

Answer 44

Midget bipolar cell

Question 45

A bipolar cell that response to an increase in light captured by the cones

Answer 45

On bipolar cell