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Opto Prac > Fundus Anomalies (Choroid) > Flashcards

Fundus Anomalies (Choroid) Flashcards

1
Q

inflammation of the choroid

A

Choroiditis

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2
Q

Classifications of Choroiditis

A

Acute & Chronic

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3
Q

due to perforating wounds of the eyeball

A

Exogenous (acute)

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4
Q

caused by infection localized elsewhere in body

A

Endogenous (acute)

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5
Q

occurs as an ocular manifestation of some internal disease such as syphilis or tuberculosis

A

Chronic

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5
Q

there are patches of exudation, each gradually shading into surrounding portions of choroud

A

Diffuse choroiditis

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5
Q

clinical varieties of posterior uveitis

A

Diffuse choroiditis
Disseminated choroiditis
Circumscribed choroiditis
Juxtapapillary choroiditis
Anterior choroiditis
Central choroiditis

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6
Q

form of circumscribed choroiditis which is adjacent to disk; usually oval

A

Juxtapapillary choroiditis

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6
Q

presents numerous round or irregular yellowish spots with fluffy bord scattered over the fundus

A

Disseminated choroiditis

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6
Q

single patch of yellowish color with fading edges is seen near the macula

A

Circumscribed choroiditis

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6
Q

presents foci of exudation similar to those found in disseminated choroiditis but limited to the periphery of the choroid

A

Anterior choroiditis

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7
Q

form of circumscribed choroiditis situated in macular regiion

A

Central choroiditis

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7
Q

Symptoms:
severe reduction/loss of central vision but peripheral vision is preserved

A

Central choroiditis

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7
Q

Symptoms
-seeing black spots & distortion of objects

A

Central choroiditis

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8
Q

Symptoms
-flashes of light, sparks of bright circles before the eyes

A

Central choroiditis

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9
Q

Ophthalmoscopic signs:
gray/white spot, usually half the size of disk, either mottled or in uniform in color, with more or less pigmentation scattered in irregular deposits or forming a border

A

Choroiditis

9
Q

Ophthalmoscopic signs:
choroidal vessels forming a border

A

Choroiditis

10
Q

Ophthalmoscopic signs
-lesion found in macular are

A

Choroiditis

10
Q

Tuberculosis is the most common cause

A

Choroiditis

11
Q

Etiology
-Tuberculosis (common cause)
-syphilis
-infection resulting from a perforating injury acute
-infectious disease of childhood

A

Choroiditis

12
Q

Prognosis
-single patch involving macular region will seriously impair vision

A

Choroiditis

12
Q

Prognosis
-dependent upon position of patches of exudation with subsequent atrophy

A

Choroiditis

12
Q

occurs in adults, usually ages 40-60

A

Malignant Melanoma of Choroid

12
Q

always primary & involves one eye only

A

Malignant Melanoma of Choroid

13
Q

no symptoms, only sign may be discovered by chance; a brown or black, flat or slightly elevated, circumscribed mass in the choroid, slowly increase in size

A

Insidious stage

14
Q

tumor grows out of the globe; metastasis frequently occurs in the liver

A

Stage of Extraocular Extensions or Mestasis

14
Q

Ophthalmoscopic signs:
round or spindle-shaped cells, usually pigmented

A

Malignant Melanoma of Choroid

14
Q

OS:
begins as flat disk-shaped mass in the outer layers of choroid

A

Malignant Melanoma of Choroid

14
Q

defect in visual field or diminution in vision is the initial symptom, depending on location of tumor

A

Stage of clinical symptoms

15
Q

tumor continue to increase in size & produce inflammatory signs as result of glaucoma & release of irritating necrotic products

A

Stage of Secondary glaucoma

Opto Prac (4 decks)

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