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Eye Dissections > Eye Dissection > Flashcards

Eye Dissection Flashcards

1
Q

What does OD stand for?

A

Oculus Dexter

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1
Q

True or False. The scope should be cleaned between each eye.

A

True

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2
Q

What is the term for right eye?

A

OD or Oculus Dexter

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3
Q

What does OS stand for?

A

Oculus Sinister

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4
Q

What is the term for left eye?

A

OS or Oculus Sinister

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5
Q

What does OU stand for?

A

Oculus Uterque

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6
Q

What is the term for both eyes?

A

Oculus Uterque

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7
Q

What does adnexa mean?

A

Refers to any tissue directly conjoined or associated anatomical parts.

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8
Q

What does ocular adnexa include?

A

Eyelids, Lacs, Optic Nerve, etc.

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9
Q

What is an intravitreal dose?

A

TA was administered directly into the posterior segment where the vitreous humor resides.

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10
Q

What is a subretinal dose?

A

TA is injected into the space between the retinal layer & the RPE.

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11
Q

What administration route creates a bleb?

A

Subretinal & subchoroidal

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12
Q

What is a subchoroidal dose?

A

TA is injected into the space between the choroid layer & the sclera.

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13
Q

What is a bleb?

A

Refers to the bubble of test article that we can see on post dose imaging underneath the retina or choroid.

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14
Q

What term means above/higher?

A

Superior

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15
Q

What term means below/lower?

A

Inferior

16
Q

What term means towards the temple or away from the midline?

A

Temporal

17
Q

What term means toward the nose or towards the midline?

A

Nasal/medial

18
Q

What term means towards the front?

A

Anterior

19
Q

What term means toward the back

A

Posterior

20
Q

How do you collect aqueous humor?

A

Using an insulin syringe with an attached 29-31g needle.

21
Q

How do you collect vitreous humor?

A

Using a 1mL slip tip syringe with a 16-18g needle.

22
Q

What is the max humor collection for histology?

A

NO MORE than 50uL

23
Q

What is the max humor collection for NHP?

A

Aqueous = 130uL
Vitreous = 0.8mL

24
Q

What is the max humor collection for Swine?

A

Aqueous = 250uL
Vitreous = 0.7mL

25
Q

What is the max humor collection for Canine?

A

Aqueous = 900uL
Vitreous = 0.8mL

26
Q

What is the max humor collection for Rabbit?

A

Aqueous = 250uL
Vitreous = 0.8mL

27
Q

When should you use spring scissors?

A

Should only be utilized for interior portions of the eye (retina, RPE/choroid, iris, ciliary body)

28
Q

When should you use curved small scissors?

A

Should only be utilized for exterior clean up and sclera cuts (extra ocular muscle removal, sclera petals, separation of anterior/posterior portion of the eye)

29
Q

1 mL = ? uL

A

1 mL = 1000 uL

30
Q

1 uL = ? mL

A

1 uL = 0.001 mL

31
Q

What is the nictating membrane?

A

Third eyelid, located on the medial corner of the eye.

32
Q
A

Eye Dissections (1 decks)

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