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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
distinguished structurally by the shapes of their outer segments * optic disc * photoreceptors
photoreceptors
26
the rod ______ segment disks contain the photopigment rhodopsin * inner * outer
outer
27
the structural basis for the blind spot in the visual field
optic disc
28
absorbs a wide bandwidth of light * iodopsin * rhodopsin
rhodopsin
29
color sensitive * rods * cones
cones
30
rhodopsin is _____ sensitive to light * less * more
more
31
rhodopsin reacts at ____ light levels than the color sensitive cone pigments * lower * higher
lower
32
dominate in the peripheral retina and has poor acuity * rods * cones
rods
33
breaks down when exposed to a wide bandwidth of light * rods * cones
rods
34
breaks down in the presence of a limited bandwidth of light * rods * cones
cones
35
less sensitive to light * rods * cones
cones
36
concentrated on the fovea * rods * cones
cones
37
the Duplex retina is also known as ____ theory
Duplicity Theory
38
rods reach their maximum concentration at about _____ peripheral to the fovea * 10 degrees * 20 degrees * 30 degrees
20 degrees
39
2 locations in the retina that has no rods
optic disc and fovea
40
cones have maximum density in the ____ * fovea * optic disc
fovea
41
it is a type of cone that present in fovea EXCEPT: * S conesin * M conesin * L conesin
S conesin
42
it all absorb light cover a broad range of wavelength * rods * cones
cones
43
Red cone * S cone * M cone * L cone
L cone
44
Blue cone * S cone * M cone * L cone
S cone
45
Green cone * S cone * M cone * L cone
M cone
46
erythrolabe * green * blue * red
red
47
cyanolabe * green * blue * red
blue
48
chlorolabe * green * blue * red
green
49
operate best under high illumination * center visual field * peripheral visual field
center visual field
50
has the greatest visual acuity and color sensitivity * center visual field * peripheral visual field
center visual field
51
represents the operation of the photopic (light-adapted) subsystem * center visual field * peripheral visual field
center visual field
52
more sensitive to dim light * center visual field * peripheral visual field
peripheral visual field
53
operates under low illumination * center visual field * peripheral visual field
peripheral visual field
54
has little color sensitivity and poor acuity * center visual field * peripheral visual field
peripheral visual field
55
represents the operation of the scotopic (dark-adapted) subsystem * center visual field * peripheral visual field
peripheral visual field
56
a small "blindspot" is located in the _____ hemified * nasal * temporal
temporal
57
the farther the optical image from the retina, the ______ the blur circle * smaller * bigger
bigger
58
the smaller the pupil, the _____ the blur circle * smaller * bigger
smaller
59
the smaller the pupil, the _____ the blur circle * smaller * bigger
smaller
60
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
depth of field
61
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
depth of focus
62
ishihara * lanterns * pseudoisochromatic plates * color arrangement tests
pseudoisochromatic plates
63
HRR (hardy rand rittler) * lanterns * pseudoisochromatic plates * color arrangement tests
pseudoisochromatic plates
64
farnsworth d15 * lanterns * pseudoisochromatic plates * color arrangement tests
color arrangement tests
65
farnsworth munsell 100 hue test * lanterns * pseudoisochromatic plates * color arrangement tests
color arrangement tests
66
lanthony test * lanterns * pseudoisochromatic plates * color arrangement tests
color arrangement tests
67
holmes wright lantern * lanterns * pseudoisochromatic plates * color arrangement tests
lanterns
68
falant * lanterns * pseudoisochromatic plates * color arrangement tests
lanterns

PHYSIOLOGICAL OPTICS (RNH) (16 decks)

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