Episclera and Sclera Flashcards

1
Q

Superficial vs Deep Episcleritis

A

superficial blanches with phenylephrine and is mobile

deep is attached to sclera

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2
Q

Nodular Episcleritis

A

has a discrete, elevated area of inflamed episcleral tissue

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3
Q

Simple Episcleritis

A

episclera inflamed with no nodule

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4
Q

Tx for Episcleritis

A

cool compress and artificial tears
weak steroid qid 1-2 wks
oral NSAID- ibuprofen

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5
Q

Scleritis

A

inflammation of sclera

associated with systemic conditions

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6
Q

Anterior Non-Necrotizing Scleritis

A

middle aged
diffuse redness and pain
recurrence in same location
nodule

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7
Q

Anterior Necrotizing Scleritis

A

more aggressive, can cause vision loss and loss of eye

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8
Q

Vaso-Occlusive Necrotizing Scleritis

A

patches of scleral edema with non-perfusion- clear

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9
Q

Granulomatous Necrotizing Scleritis

A

raised and edematous area

near limbus

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10
Q

Surgically Induced Necrotizing Scleritis

A

necrosis at site of surgery

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11
Q

Complications of Necrotizing Scleritis

A

keratitis
uveitis
glaucoma

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12
Q

Scleromalacia Perforans

A

scleral thinning without inflammation
blue and bulging
older women w/ RA
no vision loss

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13
Q

Posterior Scleritis

A

sclera inflammed behind rectus mm insertion
potentially blinding
pain on eye movement
increased IOP

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14
Q

Systemic Causes of Scleritis

A

RA
Wegener granulomatosis
relapsing polychondritis
polyarteritis nodosa

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15
Q

Infectious Causes of Scleritis

A
HZV
TB
leprosy
syphilis
Lyme disease
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16
Q

Tx of Scleritis

A

co-manage w/ rheumatologist

NSAIDs, steroids, immunosuppresants

17
Q

Alkaptonuria

A

rare genetic disorder where cant process phenylalynine or tyrosine
heavy dark pigments on sclera
no problems

18
Q

Osterogenesis Imperfecta

A

imperfect bone growth- fragile

blue sclera from thinning

19
Q

Ehlers- Danlos Syndrome

A

poor quality collagen
overly flexible joints, stretchy skin
vessels can thin and rupture
blue sclera

20
Q

Congenital Ocular Melanocytosis

A

increased number, size, pigmentation of melanocytes in sclera/ uvea
oculodermal- Nevus of Ota
can affect iris, fundus, and trabecula- affects drainage

21
Q

Scleral Hyaline Plaque

A

discolored oval pattern at lat rectus insertion
no thinning
no issues

22
Q

Senile Scleromalacia

A

thinning near muscle insertion

no issues