Ophthamology Flashcards

1
Q

Entropion

A

When the inner eyelid rolls in towards the eye

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2
Q

What can be an effect of an entropion?

A

Corneal ulcer or perforation

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3
Q

What is the treatment for entropion?

A

Inject saline into the eyelid

Simple interrupted sutures to tack down the eyelid

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4
Q

What is it called when there is a gap in the iris?

A

Eyelid coloboma

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5
Q

What is the surgical technique used for SCC removal?

A

Sliding flap technique

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6
Q

T/F: There are blood vessels in a healthy cornea

A

FALSE- should be no blood vessels in a normal healthy cornea

Makes the cornea an area for slow healing

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7
Q

What are the layers of the cornea?

A

Tear film- corneal epithelium - corneal stroma- descement’s membrane- endothelium

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8
Q

Inflammation of the cornea

A

Keratitis

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9
Q

What are CS of keratitis?

A

Blepharospasm
epiphora
corneal edema
cornea opacity

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10
Q

What are some diagnostic tests for keratitis?

A

Fluorescein test

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11
Q

What does the fluorescein test stain?

A

Stroma

Will not stain the descement’s membrane

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12
Q

If there is corneal vascularization in a circular/branching pattern, what surface was damaged?

A

Superficial surface

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13
Q

If there is corneal vascularization in a straight pattern, what surface was damaged?

A

Deep surface

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14
Q

What can be performed to help bring in more blood vessels to the area of a corneal ulcer to increase healing capability?

A

Conjunctival pedicle flap

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15
Q

What is the treatment for endopthalmitis?

A

Exenteration

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16
Q

What is the treatment for lens luxation?

A

Lens extraction

17
Q

What is used to fill the anterior chamber to replace the lost aqueous humor?

A

Hyaluronic acid

18
Q

What is the common name for equine recurrent uveitis?

A

Moon blindness

19
Q

Uveitis

A

Inflammation of entire vascular tunic

20
Q

What breed is equine recurrent uveitis commonly seen in?

A

Appaloosas

21
Q

What are the clinical signs of acute equine recurrent uveitis?

A
PAIN
Photophobia
Blepharospasm
Lacrimation
Miosis
Posterior synechiae
22
Q

What is posterior synechiae?

A

Iris is attached to the anterior surface of the lens

Dilate the eye with atropine

23
Q

What are the treatment options for equine recurrent uveitis?

A

Analgesics
Mydriatics-atropine + dark stall
Topical corticosteroids
Surgery: vitrectomy