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PHYSIOLOGICAL OPTICS (RNH) > 1 PRIMER > Flashcards

1 PRIMER Flashcards

1
Q

visual sciences deals with the structures of the eye and their functions as affected by the behavior of light

  • Physiological Optics
  • Theoretical Optics
A

physiological optics

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2
Q

real sense organs of the body

  • effectors
  • receptors
A

receptors

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3
Q

responding organs

  • effectors
  • receptors
A

effectors

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4
Q

photoreceptors of the eye ___ be stimulated by sound and other forms of stimulus

  • can
  • cannot
A

cannot

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5
Q

it is a physiological connectors – a nerves that connects the receptors to the effectors (2)

A

sensory and motor

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6
Q

it connects the CNS to the responding effectors

  • motor
  • sensory
A

motor

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7
Q

it connects the receptor to the CNS

  • motor
  • sensory
A

sensory

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8
Q

it connects the CNS to the responding effectors

  • afferent
  • efferent
A

efferent

UP-A(ap)
DOWN-E

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9
Q

it connects the receptor to the CNS

  • afferent
  • efferent
A

afferent

UP-A(ap)
DOWN-E

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10
Q

Sensory

  • efferent
  • afferent
A

afferent

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11
Q

Motor

  • efferent
  • afferent
A

efferent

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12
Q

area # under visual cortex

A

area 17

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13
Q

retina is a part of CNS

t/f

A

true

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14
Q

reduces light scatter and image distortion within the eye

  • neural retina
  • RPE
A

RPE

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15
Q

the dark pigments absorbs light

  • neural retina
  • RPE
A

RPE

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16
Q

consists of neurons

  • neural retina
  • RPE
A

Neural retina

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17
Q

contists of visual receptor cells

  • neural retina
  • RPE
A

neural retina

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18
Q

consists of horizontal cells, bipolar cells, amacrine cells, ganglion cells and photoreceptor cells

  • neural retina
  • RPE
A

neural retina

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19
Q

image of central visual field center

  • photoreceptor cells
  • fovea
A

fovea

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20
Q

it contains the cell bodies and process of retinal neurons receiving information

  • macula
  • fovea
A

macula

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21
Q

formed by retinal ganglion cell axons that are existing the retina

  • fovea
  • optic disc
A

optic disc

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22
Q

2 types of photoreceptors

A

rods and cones

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23
Q

this region of the retina is devoid of receptor cells

  • fovea
  • optic disc
A

optic disc

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24
Q

optic disc is located _____ to the fovea

  • nasal
  • temporal
A

nasal

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25
Q

distinguished structurally by the shapes of their outer segments

  • optic disc
  • photoreceptors
A

photoreceptors

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26
Q

the rod ______ segment disks contain the photopigment rhodopsin

  • inner
  • outer
A

outer

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27
Q

the structural basis for the blind spot in the visual field

A

optic disc

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28
Q

absorbs a wide bandwidth of light

  • iodopsin
  • rhodopsin
A

rhodopsin

29
Q

color sensitive

  • rods
  • cones
A

cones

30
Q

rhodopsin is _____ sensitive to light

  • less
  • more
A

more

31
Q

rhodopsin reacts at ____ light levels than the color sensitive cone pigments

  • lower
  • higher
A

lower

32
Q

dominate in the peripheral retina and has poor acuity

  • rods
  • cones
A

rods

33
Q

breaks down when exposed to a wide bandwidth of light

  • rods
  • cones
A

rods

34
Q

breaks down in the presence of a limited bandwidth of light

  • rods
  • cones
A

cones

35
Q

less sensitive to light

  • rods
  • cones
A

cones

36
Q

concentrated on the fovea

  • rods
  • cones
A

cones

37
Q

the Duplex retina is also known as ____ theory

A

Duplicity Theory

38
Q

rods reach their maximum concentration at about _____ peripheral to the fovea

  • 10 degrees
  • 20 degrees
  • 30 degrees
A

20 degrees

39
Q

2 locations in the retina that has no rods

A

optic disc and fovea

40
Q

cones have maximum density in the ____

  • fovea
  • optic disc
A

fovea

41
Q

it is a type of cone that present in fovea EXCEPT:

  • S conesin
  • M conesin
  • L conesin
A

S conesin

42
Q

it all absorb light cover a broad range of wavelength

  • rods
  • cones
A

cones

43
Q

Red cone

  • S cone
  • M cone
  • L cone
A

L cone

44
Q

Blue cone

  • S cone
  • M cone
  • L cone
A

S cone

45
Q

Green cone

  • S cone
  • M cone
  • L cone
A

M cone

46
Q

erythrolabe

  • green
  • blue
  • red
A

red

47
Q

cyanolabe

  • green
  • blue
  • red
A

blue

48
Q

chlorolabe

  • green
  • blue
  • red
A

green

49
Q

operate best under high illumination

  • center visual field
  • peripheral visual field
A

center visual field

50
Q

has the greatest visual acuity and color sensitivity

  • center visual field
  • peripheral visual field
A

center visual field

51
Q

represents the operation of the photopic (light-adapted) subsystem

  • center visual field
  • peripheral visual field
A

center visual field

52
Q

more sensitive to dim light

  • center visual field
  • peripheral visual field
A

peripheral visual field

53
Q

operates under low illumination

  • center visual field
  • peripheral visual field
A

peripheral visual field

54
Q

has little color sensitivity and poor acuity

  • center visual field
  • peripheral visual field
A

peripheral visual field

55
Q

represents the operation of the scotopic (dark-adapted) subsystem

  • center visual field
  • peripheral visual field
A

peripheral visual field

56
Q

a small “blindspot” is located in the _____ hemified

  • nasal
  • temporal
A

temporal

57
Q

the farther the optical image from the retina, the ______ the blur circle

  • smaller
  • bigger
A

bigger

58
Q

the smaller the pupil, the _____ the blur circle

  • smaller
  • bigger
A

smaller

59
Q

the smaller the pupil, the _____ the blur circle

  • smaller
  • bigger
A

smaller

60
Q

the extent to which the object may be moved toward or away and yet remain clear with the same dioptric power

  • depth of focus
  • depth of field
A

depth of field

61
Q

the extent to which the image may be located in front or behind the retina and still appear to be clear

  • depth of focus
  • depth of field
A

depth of focus

62
Q

ishihara

  • lanterns
  • pseudoisochromatic plates
  • color arrangement tests
A

pseudoisochromatic plates

63
Q

HRR (hardy rand rittler)

  • lanterns
  • pseudoisochromatic plates
  • color arrangement tests
A

pseudoisochromatic plates

64
Q

farnsworth d15

  • lanterns
  • pseudoisochromatic plates
  • color arrangement tests
A

color arrangement tests

65
Q

farnsworth munsell 100 hue test

  • lanterns
  • pseudoisochromatic plates
  • color arrangement tests
A

color arrangement tests

66
Q

lanthony test

  • lanterns
  • pseudoisochromatic plates
  • color arrangement tests
A

color arrangement tests

67
Q

holmes wright lantern

  • lanterns
  • pseudoisochromatic plates
  • color arrangement tests
A

lanterns

68
Q

falant

  • lanterns
  • pseudoisochromatic plates
  • color arrangement tests
A

lanterns

PHYSIOLOGICAL OPTICS (RNH) (16 decks)

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