FINALS: LAB - EYES Flashcards by gelica henson

Q

Tear gland

A

Lacrimal gland

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Q

3 major coats of the eye

A

SCLERA- Outer or Fibrous
CHOROID- Middle or Vascular
RETINA- Inner or Nervous

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Q

Passageway of tears

A

Lacrimal duct

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Q

Rel to the complex structure or lacrimal apparatus

A

Lacrimal caruncle

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Q

Tears plus mucous

A

Nasolacrimal duct

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Q

2 types of photoreceptors in the retina

A

Rods

Cones

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Q

3 major groups of extraocular muscles

A

Recti muscles
Oblique muscles
Lev palpebrae superioris

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Q

Long and straight muscles

A

Recti muscles

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Q

Rectus originates from

A

Tendinous ring

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Q

Rectus inserts at the

A

Sclera

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Q

Sup/Inf/med/lat to sclera

A

Sup/inf/med/lat rectus

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Q

Fibers are diagonal

A

Oblique muscles

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Q

Upper part of the superior rectus muscle

A

Lev palpebrae superioris

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Q

Action of LPS

A

Opens the eyelid

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Q

Closes the eyelid

A

O. Oculi

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Q

What causes the inv movt of eyes

A

Level of muscles, nerves, brain may be affected

Q

Crossed eyes

A

Strabismus

Q

Orientation of lacrimal gland

A

Superolateral

Q

Superior oblique is

A

Medial

Q

Inf oblique is

A

Lateral

Q

Clear

A

Cornea

Q

White portion

A

Sclera

Q

Junction bet cornea and sclera

A

Limbus

Q

Made up muscles, suspensory ligaments

A

Ciliary body

Q

Pigmented part of eye

A

Iris

Q

Yellow structure

A

Optic nerve

Q

Spots in retina

A

Yellow spots

Blind spot

Q

Chambers in the eye

A

Vitreous/post chamber

Anterior chamber/aqueous

Q

Biggest chamber

Filled with jelly like substance called

A

Vitreous chamber- vitreous humor

Q

Space bet cornea and iris

A

Anterior chamber or aqueous humor

Q

Most superficial thin memb of the eye

A

Conjuctiva

Q

First line of defense of the eyes

A

Conjuctiva

Q

Accessory structures of eye

A

Eyelash

Eyelid

Q

Modified sebaceous gland

Secretion is highly OILY-lubrication

A

Meibomian glands

Q

There are blocked ducts. Oil cant exit

A

Chalazion

Q

Infectious

A

Stye

Q

Opening that sends signal from duct

A

Punctum

Q

Provides moisture to eyes

A

Tears