Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Ophthalmology > Anatomy > Flashcards

Anatomy Flashcards

1
Q

name the 2 holes above and below the orbit:

above:
below:

A

above: supraorbital notch/foramen
below: infraorbital foramen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

the _______ plates of the ethmoid and frontal bone are seen in the bony orbit

A

the ORBITAL plates of the ethmoid and frontal bone are seen in the bony orbit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what walls of the bony orbit are likely to fracture with a direct blow to the eye?

A

medial and inferior as paper thin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what bone does the suspensory ligament of the eye attach to?

A

zygoma (laterally)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

name the circular muscle that surrounds the eye

A

orbicularis occuli

orbital and palpebral parts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what sheet of fascia helps prevent spread of infection from superficial to deep?

A

orbital septum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what do the tarsal glands embossed in the tarsi secrete?

A

lipid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is the iris covered in?

A

cornea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is the white sclera covered by?

A

conjunctiva

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is the other name for the corneoscleral junction

A

limbus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what does the lacrimal gland produce?

A

lacrimal fluid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

name the innervation of the lacrimal gland

A

parasympathetic CN VII

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

how many layers of the eye are there?

A

3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

name the 3 layers of the eye

A

fibrous
uvea
retina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what is the outer layer of the eye called?

A

fibrous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what is the vascular layer of the eye called?

A

uvea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

name the photosensitive layer of the eye

A

retina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

name the 2 parts to the fibrous layer of the eye

A

sclera and cornea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

name the 3 parts of the uvea

A

iris
ciliary body
choroid

20
Q

name the 3 parts we need to learn of the retina

A

macula
optic disc
retina

21
Q

the anterior segment is situated in front of the ____ and has both an ________ and _________ chamber

A

the anterior segment is situated in front of the LENS and has both an ANTERIOR and POSTERIOR chamber

22
Q

the anterior chamber of the eye is situated between what 2 structures?

A

cornea and iris

23
Q

the posterior chamber of the eye is situated between what 2 structures?

A

iris and suspensory ligaments

24
Q

what does the anterior chamber contain?

A

aqueous humour

25
Q

what does the posterior chamber contain?

A

aqueous humour

26
Q

the posterior segment is situated behind the ____ and contains ________ body - this is a common location for ‘________’

A

the posterior segment is situated behind the LENS and contains VITREOUS body - this is a common location for ‘FLOATERS’

27
Q

outline the circulation of aqueous humour:

  1. where is it synthesised?
  2. where does it then circulate?
  3. what does it then pass through?
  4. where is it then reabsorbed?
A

outline the circulation of aqueous humour:

  1. synthesised in ciliary body
  2. then circulates within posterior chamber nourishing lens
  3. then passes through pupil entering the anterior chamber to nourish cornea
  4. then reabsorbed into scleral venous sinus via Canal of Schlemm at iridocorneal angle
28
Q

the ophthalmic artery is a branch of which artery?

A

the internal carotid artery

29
Q

name the other artery branches of the internal carotid artery that is important to the eye

A

ciliary arteries

30
Q

the macula has the greatest density of _____

A

the macula has the greatest density of CONES

31
Q

the fovea is seen at the ______ of the macula and is _________. this is the area of most acute vision.

A

the fovea is seen at the CENTRE of the macula and is DEPRESSED. this is the area of most acute vision.

32
Q

name the 3 layers of the retina from anterior to posterior:

1.
2.
3.

A

name the 3 layers of the retina from anterior to posterior:

  1. axons of ganglion cells
  2. ganglion cells
  3. photoreceptors
33
Q

where are there no photoreceptors and so termed the ‘blind spot’?

A

optic disc

34
Q

interruption of flow of the central artery (end artery) results in _________ _________ whereas interruption of flow in the retinal artery branch results in loss of an ____ of _____ _____

A

interruption of flow of the central artery (end artery) results in MONOCULAR BLINDNESS whereas interruption of flow in the retinal artery branch results in loss of an AREA of VISUAL FIELD

35
Q

name the 4 rectus muscles of the eye

A

superior rectus
inferior rectus
medial rectus
lateral rectus

36
Q

name the 2 oblique muscles

A

superior oblique

inferior oblique

37
Q

name the muscle responsible for lifting the upper eyelid

A

levator palpebrae superioris

38
Q

name the ‘down and out’ muscle

A

superior oblique

39
Q

name the innervation for the following muscles:

superior rectus -
inferior rectus - 
medial rectus -
lateral rectus -
superior oblique -
inferior oblique -
levator palpebrae superioris  -
A 
superior rectus - CN III
inferior rectus - CN III
medial rectus - CN III
lateral rectus - CN VI
superior oblique - CN IV
inferior oblique - CN III
levator palpebrae superioris  - CN III
40
Q

name the muscle that an ONLY abduct the eye and name is innervation

A

lateral rectus - CN VI

41
Q

when in abduction, the ________ ______ muscle can only elevate

A

when in abduction, the SUPERIOR RECTUS muscle can only elevate

42
Q

name the muscle that an ONLY adduct the eye and name is innervation

A

medical rectus - CN III

43
Q

when in abduction, the ________ ______ muscle can only depress

A

when in abduction, the INFERIOR RECTUS muscle can only depress

44
Q

when in adduction, the ________ ______ muscle can only elevate

A

when in adduction, the INFERIOR OBLIQUE muscle can only elevate

45
Q

when in adduction, the ________ ______ muscle can only depress

A

when in adduction, the SUPERIOR OBLIQUE muscle can only depress

Ophthalmology (13 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions