OPTHA LQ1 RECALLS Flashcards

1
Q

Eye structure responsible for controlling the amount of light entering the eye

A

IRIS

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2
Q

junction between cornea and the sclera is known as

A

LIMBUS

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3
Q

Aqueous humor is secreted in the

A

CILIARY BODY

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4
Q

Thickest layer of the cornea *

A

CORNEAL STROMA

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5
Q

innermost layer of the cornea

A

ENDOTHILIUM

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6
Q

Primordia of the lens

A

SURFACE ECTODERM

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7
Q

what structure arises from all the
embryonic tissues

A

Vitreous

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8
Q

Superior oblique is supplied by this
nerve

A

Trochlear

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9
Q

sensory innervation of the eye
comes from this nerve

A

Trigemenal

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10
Q

white outermost layer of the eye

A

Sclera

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11
Q

levator superioris muscle (opens
eye

A

CN 3

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12
Q

Thick, gel-like substance that fills the
largest chamber of the eye and helps
to hold its spherical shape

A

VITREOUS HUMOR

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13
Q

the eyeball is fully developed at
age___

A

8

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14
Q

Part of the eye with the highest
refractive index

A

CORNEA

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15
Q

type of receptors that allow us to see
in low light and peripheral vision

A

Rods

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16
Q

A depression, or pit, in the center of
the retina that contains only cones;
provides for the most acute vision &
color sensitivity

A

Fovea centralis

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17
Q

middle and vascular of the eye

A

Choroid

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18
Q

facial nerve that closes the eye is
innervated b

A

CN 7

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19
Q

innermost layer of the retina

A

Internal limiting layer

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20
Q

.layers of the retina

A

10

21
Q

Another term for nearsightedness

A

Myopia

22
Q

Part of the eye with the highest refractive index

A

Cornea

23
Q

Vascular layer of the eye

A

Choroid

24
Q

Opening of the eye is supplied by this nerve

A

Oculomotor nerve

25
Q

Closing of the eye is supplied by this nerve

A

Facial nerve

26
Q

Another term for red deficiency

A

Protanopes

PROTANOPES- NO RED RECEPTORS
DEUTERANOPE- NO GREEN RECEPTORS
TRITANOPE- NO BLUE RECEPTORS

27
Q

Light sensitive cells used for scotopic vision

A

Rods

28
Q

What structure is directly above the pituitary fossa

A

Optic chiasm

29
Q

Type of lens used to correct farsightedness

A

Convex

30
Q

Type of visual defect in optic tract lesions

A

Homonymous Hemianopia

31
Q

Difference in the color of the iris

A

Heterochromia

32
Q

Primordia of the lens

A

Surface ectoderm

33
Q

Reflex involving changing of the curvature of the lens for better near vision

A

Accommodation

34
Q

Test for color

A

Ishihara TEst

35
Q

Pit in the central retina containing only cones

A

Fovea centralis

36
Q

Sensory innervation of the eye comes from this nerve

A

Trigeminal nerve

37
Q

Refractive error where the light converges at the back of the retina

A

Hyperopia

38
Q

Autonomic nerve supply responsible for dilatation of the eye

A

Sympathetic

39
Q

Aqueous humor is secreted in the

A

Ciliary body

40
Q

Loss of accommodation at age 40 plus

A

Presbyopia

41
Q

Superior oblique is supplied by this nerve

A

Trochlear nerve

42
Q

Blood supply of the central cornea

A

Avascular

43
Q

Type of visual loss that fully recovers in minutes to hours

A

Amaurosis

44
Q

Another term for lazy

A

Amblyopia

45
Q

Another term for farsightedness

A

Hypermetropia

46
Q

Another term for color blindness

A

Achromatopsia

47
Q

Visible spectrum of light

A

400-700

48
Q

Enumerate the 10 layers of the retina

A
  1. Internal Limiting Membrane
  2. Nerve Fiber Layer
  3. Ganglion Cell Layer
  4. Inner Plexiform Layer
  5. Inner Nuclear Layer
  6. Outer Plexiform Layer
  7. Outer Nuclear Layer
  8. External Limiting Membrane
  9. Photoreceptor Layer
  10. Retinal Pigmented Epithelium