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EYE 1101 > Eye Anatomy & Terms > Flashcards

Eye Anatomy & Terms Flashcards

1
Q

Vascular layer of the eye between the retina and sclera, providing nutrients to the outer layers of the retina.

A

Choroid

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2
Q

Mucous membrane covering the outer surface of the eyeball (except the cornea) and inside surface of the eyelids.

A

Conjunctiva

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3
Q

Eye rotation away from the midline.

A

Abduction

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4
Q

Ocular end of the optic nerver.

A

Optic disc

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5
Q

Clear fluid that fills the space in the eye between the cornea and the lens; maintains intraocular pressure and provides nourishment to the cornea, iris, and lens.

A

Aqueous humor

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6
Q

Almond-shaped gland located above the eyeball in the upper outer region that produces tears.

A

Lacrimal gland

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7
Q

Pigmented tissue behind the cornea that gives the eye its color and allows light to enter the eye by controlling the size of the pupillary opening; part of the uveal (middle) layer of the eye.

A

Iris

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8
Q

The eyeball; a sensory organ that uses light to transmit visual information to the brain; 3 major layers in the globe include corneo-sclero, uvea, and retina.

A

Globe

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9
Q

Large mucous glands in the conjunctiva that secrete mucin, a component of pre-corneal tear film; can be damaged in dry eye syndrome.

A

Goblet cells

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10
Q

The central part of the macula that produces the sharpest vision.

A

Fovea

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11
Q

Black circular opening in the center of the iris that varies in size to regulate the amount of light that enters the eye.

A

Pupil

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12
Q

Particles that float in the vitreous, casting shadows on the retina and appearing as spots.

A

Floaters

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13
Q

Non-seeing area within every visual field; caused by absence of photoreceptors where the optic nerve enters the eye.

A

Blind spot

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14
Q

Structure covering the front of the eye that protects it, limits the light entering in, and distributes the tear film over the corneal surface.

A

Eyelid

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15
Q

Transparent front of the eye covering the iris, pupil, and anterior chamber; provides the bulk of the eye’s optical power.

A

Cornea

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16
Q

Passage of aqueous fluid through the anterior chamber angle structures.

A

Aqueous flow

17
Q

Tissue in the eye that is involved in lens accommodation, intraocular pressure control, and producing the aqueous.

A

Ciliary body

18
Q

sense organ for sight

A

Eye

19
Q

Central area of the retina; provides central vision used for reading and seeing fine detail

A

Macula

20
Q

Space between the back of the iris and the front of the vitreous.

A

Posterior chamber

21
Q

Oil gland in the eyelid tissue that secretes the outer portion of the tear film; prevent rapid tear evaporation and tear over flow.

A

Meibomian gland

22
Q

Space between the iris and innermost corneal surface that is filled with fluid

A

Anterior chamber

23
Q

(24) Eye rotation toward the midline

A

Adduction

24
Q

(26) Narrow anterior chamber angles that prevent aqueous drainage

A

Narrow angle glaucoma

25
Q

(27) Area where the cornea joins the sclera and the bulbar conjunctiva attaches to the eyeball.

A

Limbus

26
Q

(28) Structure inside of the eye at iris-scleral junction of the anterior chamber angle that filters aqueous fluid and controls its exit from the eye through Schlemm’s canal.

A

Trabecular meshwork

27
Q

(29) Opaque protective layer of the eye (the white) that connects to the cornea and the sheath of the optic nerve.

A

Sclera

28
Q

(30) Pigmented vascular layers of the eye (iris,ciliary body, and choroid) that contain most of the eyes blood vessels.

A

Uvea

29
Q

(31) Tear drainage channel from the lacrimal sac to the mucous membrane of the nose

A

Nasolacrimal duct or tear duct

30
Q

(33) Specialized retina cells that is a light-sensitive receptor in low-light levels

A

Rods

31
Q

(34) Socket; cranial cavity of the skull that contains the eyeball

A

Orbit

32
Q

(35) Ability of the eye to receive and transmit light images to the brain, where they are interpreted; the ability to see

A

Vision

33
Q

(36) Measurement that assesses the eyes ability to distinguish details and shape

A

Visual acuity

34
Q

(37) Light sensitive tissue in the eye that converts images into electrical impulses that are sent to the brain via the optic nerve to interpret as vision

A

Retina

35
Q

(38) Lettered chart for measuring visual acuity; usually tested at 20ft (hence, 20/20 vision)

A

Snellen

36
Q

(39) Transparent gelatinous mass that fills the back two-thirds of the eyeball between the lens and retina.

A

Aqueous

EYE 1101 (2 decks)

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