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From Flashcardlet > Retina: 14. Diseases of the Vitreous and Vitreoretinal Interface > Flashcards

Retina: 14. Diseases of the Vitreous and Vitreoretinal Interface Flashcards

0
Q

hyalocytes, RPE, glial cells

A

three cell types implicated in ERMs

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1
Q

rhegmatogenous PVD

A

term for when a rent in the posterior vitreous cortex causes a rapid PVD

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2
Q

trauma, uveitis, retinal breaks, retinal vascular occlusions, intraocular surgery

A

five causes of secondary ERM

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3
Q

20%

A

incidence of idiopathic ERM after age 75 based on autopsy studies

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4
Q

20%

A

percentage of ERMs that are bilateral

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5
Q

20/50

A

usual cutoff for vitrectomy and membrane peel in epiretinal membrane

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6
Q

PVD

A

thought to be necessary for ERM formation in most cases

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7
Q

pseudohole

A

term for when an ERM is discontinuous, giving the appearance of a macular hole

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8
Q

true

A

TRUE or FALSE: Return to normal vision is rare following removal of an ERM

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9
Q

50-75%

A

Percentage of patients with improvement of visual symptoms following ERM removal

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10
Q

ERM

A

.

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11
Q

hemorrhages, CME

A

uncommon associated findings in ERM

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12
Q

VMT Syndrome

A

.

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13
Q

perifoveal vitreous detachment

A

thought to be the first step in the formation of a macular hole

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14
Q

loss of foveal reflex

A

stage 0 macular hole (pre-macular hole)

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15
Q

pseudocyst

A

stage 1 macular hole in one word

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16
Q

stage 1A macular hole

A

.

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17
Q

3:1

A

ratio of women to men with idiopathic macular hole

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18
Q

PPV with ILM peel and gas exchange

A

treatment for stage 2 or worse idiopathic macular hole

19
Q

stage 1B macular hole

A

.

20
Q

Watzke-Allen test

A

sign useful in detection of idiopathic macular hole

21
Q

50%

A

percentage of stage 1 retinal holes that spontaneously resolve

22
Q

12%

A

percentage of patients with macular holes with a hole in the fellow eye

23
Q

2

A

stage at which vitrectomy is performed in macular hole

24
Q

false

A

TRUE or FALSE: Prepapillary vascular loops are remnants of the hyaloid artery

25
Q

cataract, microphthalmos, present at birth

A

Three things that distinguish anterior PFV from retinoblastoma

26
Q

53%

A

risk of retinal detachment in Stickler’s syndrome in one series

27
Q

AD

A

usual inheritance of FEVR

28
Q

0.5%

A

incidence of asteroid hyalosis

29
Q

hypertension, diabetes

A

associations of asteroid hyalosis

30
Q

vitreous hemorrhage

A

synchysis scintillans occurs in patients with history of this condition

31
Q

synchysis scintillans

A

.

32
Q

asteroid hyalosis

A

.

33
Q

transthyretin

A

protein that accummulates in most common form of AD familial amyloidosis

34
Q

50%

A

approximate percentage of cases of spontaneous vitreous hemorrhage attributable to PDR

35
Q

15%

A

approximate percentage of cases of spontaneous vitreous hemorrhage attributable to retinal break without detachment

36
Q

10%

A

approximate percentage of cases of spontaneous vitreous hemorrhage attributable to PVD

37
Q

10%

A

approximate percentage of cases of spontaneous vitreous hemorrhage attributable to rhegmatogenous RD

38
Q

5%

A

approximate percentage of cases of spontaneous vitreous hemorrhage attributable to neovascularization due to CRVO or BRVO

39
Q

trauma, retinoschisis, pars planitis

A

causes of vitreous hemorrhage that have to be considered in children

40
Q

VMT

A

occurs when the posterior vitreous cortex fails to separate from the retina

41
Q

ocriplasmin

A

this drug was associated with resolution in 26% of patients with VMT

42
Q

VMT

A

which is typically more symptomatic, VMT or epiretinal membrane

43
Q

false

A

TRUE or FALSE: VMT and epiretinal membrane can be reliably distinguished on SLE

44
Q

macular distortion, optic disc edema, CME, tractional detachment

A

causes of vision loss in VMT

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