Eye Dissection Flashcards
What does OD stand for?
Oculus Dexter
True or False. The scope should be cleaned between each eye.
True
What is the term for right eye?
OD or Oculus Dexter
What does OS stand for?
Oculus Sinister
What is the term for left eye?
OS or Oculus Sinister
What does OU stand for?
Oculus Uterque
What is the term for both eyes?
Oculus Uterque
What does adnexa mean?
Refers to any tissue directly conjoined or associated anatomical parts.
What does ocular adnexa include?
Eyelids, Lacs, Optic Nerve, etc.
What is an intravitreal dose?
TA was administered directly into the posterior segment where the vitreous humor resides.
What is a subretinal dose?
TA is injected into the space between the retinal layer & the RPE.
What administration route creates a bleb?
Subretinal & subchoroidal
What is a subchoroidal dose?
TA is injected into the space between the choroid layer & the sclera.
What is a bleb?
Refers to the bubble of test article that we can see on post dose imaging underneath the retina or choroid.
What term means above/higher?
Superior
What term means below/lower?
Inferior
What term means towards the temple or away from the midline?
Temporal
What term means toward the nose or towards the midline?
Nasal/medial
What term means towards the front?
Anterior
What term means toward the back
Posterior
How do you collect aqueous humor?
Using an insulin syringe with an attached 29-31g needle.
How do you collect vitreous humor?
Using a 1mL slip tip syringe with a 16-18g needle.
What is the max humor collection for histology?
NO MORE than 50uL
What is the max humor collection for NHP?
Aqueous = 130uL
Vitreous = 0.8mL
What is the max humor collection for Swine?
Aqueous = 250uL
Vitreous = 0.7mL
What is the max humor collection for Canine?
Aqueous = 900uL
Vitreous = 0.8mL
What is the max humor collection for Rabbit?
Aqueous = 250uL
Vitreous = 0.8mL
When should you use spring scissors?
Should only be utilized for interior portions of the eye (retina, RPE/choroid, iris, ciliary body)
When should you use curved small scissors?
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)
1 mL = ? uL
1 mL = 1000 uL
1 uL = ? mL
1 uL = 0.001 mL
What is the nictating membrane?
Third eyelid, located on the medial corner of the eye.
