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Vocab > Cornea > Flashcards

Cornea Flashcards

1
Q

Arcus Senilis

A

A gray/white arc around the out part of the cornea

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2
Q

Scar

A

Scars on the cornea (go figure)

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3
Q

Superficial Punctate Keratitis (SPK/PEE)

A

Type of corneal inflammation

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4
Q

Dellen

A

Structural thinning of the cornea

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5
Q

Pterygium

A

A fleshy tissue growth that extends over the cornea

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6
Q

Haze

A

Cloudy/opaque appearance of the cornea

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7
Q

Epithelium Layer

A

1st layer Surface layer; establishes a barrier and smooth surface for the tear film

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8
Q

Bowman’s Layer

A

2nd Layer Tough layer; keeps the cornea from swelling forward

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9
Q

Stroma

A

3rd layer Largest layer made of collagen fibers

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10
Q

Descemet’s Layer

A

4th layerImportant for the health of endothelial (inner blood vessel) cells

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11
Q

Endothelium

A

5th Layer Works as a barrier and a pump to keep the cornea from getting to wet

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12
Q

Edema

A

Swelling/build up of fluid in the cornea

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13
Q

Folds

A

Folds in the descent’s membrane associated with edema

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14
Q

Infiltrates

A

Small clumps of cells that have moved into the cornea

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15
Q

Limbal Relaxing Incision (LRI)/T-cut

A

Partial incisions made in the outer edge of the cornea

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16
Q

RK (Radial Keratotomy) Incision

A

Small, deep incisions made to flatten the cornea

17
Q

Limbus

A

The border between the cornea and the sclera

18
Q

Posterior Crocodile Shagreen

A

Polygonal, opaque structures in the cornea that resembles crocodile skin

19
Q

Guttata

A

Droplet-like accumulations of non-banded collagen towards the back (Descemet’s layer) of the cornea

20
Q

Fuchs’ Dystrophy

A

Condition where cells in the endothelium become unhealthy and can die off

21
Q

Krukenber’s Spindle

A

Vertical pigment formation in the back of the cornea

22
Q

Pannus

A

Growth of blood vessels from the limbus onto the clear corneal surface

23
Q

Band Keratopathy

A

Corneal degeneration composed of dust-like calcium deposits

24
Q

Ulcer

A

An open sore mostly caused by an infection

25
Q

Abrasion

A

A scratch

26
Q

Epithelial Defect

A

Loss of cells in the epithelial (outer layer) of the cornea

27
Q

Dendrite

A

tree-like structured lesion

28
Q

Pigment

A

A coloring build up

29
Q

Map Dot Fingerprint

A

A dystrophy in the epithelium characterized by slight gray outlines reminiscent of continents on a map

30
Q

Erosion

A

When the cells in the epithelium loosen

31
Q

Sazman’s Nodule

A

Grey/white elevated nodules

32
Q

Sicca

A

Dry eye

Vocab (3 decks)

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