Dark Choroid: Causes & Reasons

Possible Causes for Dark Choroid

When this occurs in taking a fluorescein angiogram, it is called the dark choroid sign. [retinareference.com]

The uncontrolled reflection of light from dark choroid produces the photographic red-eye effect on photos, whereas the controlled reflection of light from the tapetum lucidum [en.wikipedia.org]

蛍光眼底造影（FA　必須）：dark choroid（背景蛍光が暗くみえる）が見られる（図６C）。 B-③ 電気生理学的検討：全視野ERG、EOGはさまざまである。黄斑部のERGでは反応減弱が見られる。 B-④ OCT：黄斑部はエリプソイドゾーン（Ellipsoid zone：EZ）の消失と網膜の菲薄化が見られる。 [nanbyou.or.jp]

Retinal Pigmentary Dystrophy

A silent or dark choroid on angiography and the typical pisciform flecks help differentiate Stargardt's flecks from drusen (Figure 7). [visioncareprofessional.com]

Bul Soc Ophthalmol Fr 1971;71:348-351 Fish G Grey R Sehmi KS, et al: The dark choroid in posterior retinal dystrophies. [karger.com]

choroid suggesting a lipofuscin storage disease. [retinaeyecenter.com]

Stargardt Macular Degeneration

Moreover, fluorescein angiography is a useful method to distinguish STGD1 from STGD3 by identifying a dark choroid on examination. [symptoma.com]

Fluorescein angiography reveals the characteristic dark choroid (''silence choroidien'') in aproximately 85% of the patients. [orpha.net]

The back of the eye is almost normal except for the typical “silent” (dark) choroid that shows up in fluorescein angiography. [barcelonamaculafound.org]

Benign Concentric Annular Macular Dystrophy

One patient had bull’s-eye maculopathy with a dark choroid on the fluorescein angiogram with a normal peripheral fundus and good retinal function initially. [karger.com]

FA often shows a 'dark choroid' due to lipofuscin deposits within the RPF. [archive.org]

Important to note is that the characteristic dark choroid seen in Stargardts disease is absent. [eyewiki.aao.org]

Fleck Retina of Kandori

Answer: The classic fluorescein finding is the dark choroid effect, which is due to the blockage of choroidal fluorescence by the accumulation of lipofuscin-like material [djo.harvard.edu]

What is dark choroid and is it pathognomonic of Stargardt's disease? [mrcophth.com]

North Carolina Macular Dystrophy

Affected relatives had features in common with pattern dystrophy, fundus flavimaculatus with a dark choroid, and dominantly inherited drusen. [ncbi.nlm.nih.gov]

choroid, [goodhopeeyeclinic.org.uk]

A silent or dark choroid on angiography and the typical pisciform flecks help differentiate Stargardt's flecks from drusen (Figure 7). [visioncareprofessional.com]

Adult-Onset Foveomacular Vitelliform Dystrophy

choroid suggesting a lipofuscin storage disease. [retinaeyecenter.com]

The later age of onset, relatively good central visual acuity and absence of dark choroid on fluorescein angiography are findings that may aid in the diagnosis of pattern [westcoastretina.com]

Contrary to most Stargardt cases, fluorescein angiography in multifocal pattern dystrophy generally does not show a so-called dark choroid. 33 Figure 2. [retinalphysician.com]

Familial Benign Flecked Retina

Figure 9: Fluorescein angiogram of the left eye from a different patient with Stargardt’s disease demonstrating the classic dark choroid appearance. [westcoastretina.com]

FLOURESCEIN ANGIOGRAPHY • classic feature is a ‘dark choroid’ due to masking of background choroidal fluorescence by diffuse RPE abnormality • macula shows mixed hyper- and [slideshare.net]

FA often shows a 'dark choroid' due to lipofuscin deposits within the RPF. [archive.org]

Hereditary Choroidal Dystrophy

Fluorescein angiography reveals a dark choroid. Last Modified: Wednesday, 28-May-2008 10:21:05 EDT [kellogg.umich.edu]

A silent or dark choroid on angiography and the typical pisciform flecks help differentiate Stargardt's flecks from drusen (Figure 7). [visioncareprofessional.com]

In choroidal haemorrhage, the blood is also dark-red but unlike sub-RPE haemorrhage, it is often extensive. [mrcophth.com]

Retinal Macular Dystrophy Type 2

choroid suggesting a lipofuscin storage disease. [retinaeyecenter.com]

Fluorescein angiography showed an intense choroidal silence, with contrast between the retinal vessels and the dark background of the choroid. [200.98.68.239]

The typical finding on fluorescein angiography described as the "dark choroid" can contribute to the diagnosis of Stargardt's disease, although it may not be observed in the [reviewofophthalmology.com]

Myopia Type 19

The hallmark finding on imaging of Stargardt disease is a “dark choroid” on FA (Fig. 2). [aao.org]

choroid with hyperfluorescent pisciform flecks. [aao.org]

STARGARDT FINDINGS. (1A,1B) Fundus photography shows bilateral atrophic macular changes surrounded by diffuse pisciform flecks. (2A,2B) Fluorescein angiography reveals a dark [aao.org]

Idiopathic Uveal Effusion Syndrome

Dark-appearing choroidal detachments can be mistaken for suprachoroidal hemorrhage, peripheral exudative hemorrhagic chorioretinopathy, or choroidal melanoma.3,14 IMAGING [retinatoday.com]

Central serous chorioretinopathy with multiple detachments of RPE can have a similar appearance to UES, but choroidal thickening and choroidal detachment will be absent.2 [retinatoday.com]

Reticular Dystrophy of the Retinal Pigment Epithelium

A silent or dark choroid on angiography and the typical pisciform flecks help differentiate Stargardt's flecks from drusen (Figure 7). [visioncareprofessional.com]

The test of choice to aid in diagnosis is fluorescein angiography, which shows normal choroidal flush in multifocal pattern dystrophy and the pathognomonic dark choroid in [reviewofoptometry.com]

choroid suggesting a lipofuscin storage disease. [retinaeyecenter.com]

Butterfly-Shaped Pigment Dystrophy

The later age of onset, relatively good central visual acuity and absence of dark choroid on fluorescein angiography are findings that may aid in the diagnosis of pattern [westcoastretina.com]

Contrary to most Stargardt cases, fluorescein angiography in multifocal pattern dystrophy generally does not show a so-called dark choroid. 33 Figure 2. [retinalphysician.com]

X-Linked Cone Dystrophy with Tapetal-Like Sheen

Other reported findings include a dark choroid sign on fluorescein angiography34 and a tapetal-like sheen in XL-CORD.35 Fundus autofluorescence (FAF) and optical coherence [bjo.bmj.com]

Retinal Cone Dystrophy Type 1

choroid, [goodhopeeyeclinic.org.uk]

The sign of the “dark choroid” may be seen on fluorescein angiography ( 7 ). [entokey.com]

[…] fluorescence, termed as ‘silent choroid’ dark choroid (relative hypofluorescence of the choroid) due to the accumulation of lipofuscin in the RPE 70. • ERG-The photopic and [slideshare.net]

Cone Rod Dystrophy Type 16

Important to note is that the characteristic dark choroid seen in Stargardt disease is absent. [eyewiki.aao.org]

Chen JCFitzke FWPauleikhoff DBird AC Functional loss in age-related Bruch's membrane defect with choroidal perfusion defect. [jamanetwork.com]

The choroidal vessels appear to be normal. Dark adaptation testing has been reported as normal or subnormal.[28] ERG findings are typically normal. [eyewiki.aao.org]

Cone Dystrophy

Other reported findings include a dark choroid sign on fluorescein angiography34 and a tapetal-like sheen in XL-CORD.35 Fundus autofluorescence (FAF) and optical coherence [bjo.bmj.com]

Retinal Dystrophy

This finding is called the “dark choroid.” [brightfocus.org]

( A ) Fundus photograph showing irregular flavimaculatus flecks and atrophy of the central RPE; note that the fovea is spared. ( B ) Fluorescein angiograph showing the dark [iovs.arvojournals.org]

choroid suggesting a lipofuscin storage disease. [retinaeyecenter.com]

Neovascular Age-Related Macular Degeneration

A small dark choroidal hemorrhage, as seen in Case 1, may precede or follow the mound formation. [ijo.in]

The fundus picture of the right eye basically remained the same though there were some dark red spots on the macular area over the old mound. [ijo.in]

The spots appeared to us like hemorrhages in the choroid. All the systemic examinations and investigations were repeated, but no significant change was noted. [ijo.in]

X-Linked Cone Rod Dystrophy Type 3

choroid, [goodhopeeyeclinic.org.uk]

The sign of the “dark choroid” may be seen on fluorescein angiography ( 7 ). [entokey.com]

Objective retinal assessment [ 4 ] Fluorescein angiography may help differentiate retinal from choroidal disease. [patient.info]

Dominant Pericentral Pigmentary Retinopathy

However, these patients exhibit a characteristic ‘dark choroid’ on fluorescein angiography and have recessive autosomal inheritance of ABCA4 mutations. [bmcophthalmol.biomedcentral.com]

[…] fluorescence (dark choroid); flecks demonstrate early blockage and late hyperfluorescent staining Stargardt’s disease (Juvenile macular degeneration) AR 1st-2nd decades may [entokey.com]

choroid’ on fluorescein angiography [11]. [bmcophthalmol.biomedcentral.com]

Macular Dystrophy with Central Cone Involvement

"dark choroid" - This phenomenon—in which the retinal circulation is highlighted against a hypofluorescent background because of blocking of choroidal fluorescence—is present [quizlet.com]

Progressive Bifocal Chorioretinal Atrophy

Macular dystrophy Congenital stationary night blindness Progressive visual loss Congenital blindness Hypermetropia Abnormality of color vision Photophobia Macular flecks Dark [mendelian.co]

The angiograms all tend to be darker than normal, but none has a jet-black“ dark, silent choroid.” F igure 3. [iovs.arvojournals.org]

Peripheral Cone Dystrophy

choroid, [goodhopeeyeclinic.org.uk]

A clinical diagnosis of Stargardt disease may be confirmed by the finding of a “dark choroid” on fluorescein angiography. [entokey.com]

The presence of a “dark” or “silent” choroid on fluorescein angiography (FA) has assisted in making the clinical diagnosis of STGD, with a commonly quoted frequency for this [retinatoday.com]

Cystoid Macular Dystrophy

Bul Soc Ophthalmol Fr 1971;71:348-351 Fish G Grey R Sehmi KS, et al: The dark choroid in posterior retinal dystrophies. [karger.com]

Fluorescein angiography (FA) classically demonstrates a dark choroid. [aao.org]

[…] fluorescence (dark silent choroid) what levels are increased in stargardts and what is the result of this Increased levels of lipofuscin in RPE ABSORBS BLUE LIGHT electrodiagnostic [quizlet.com]

Blue Sclera

In details, Blue there are sclera in your eyes that means the thinness and loss of water content that allow underlying dark choroid to be seen. [firmoo.com]

choroid to be seen. 1. [elearning.ju.edu.jo]

[…] fingrs of the hand Blue sclera is characterized by localized or generalized blue coloration of sclera because of thinness and loss of water content, which allow underlying dark [elearning.ju.edu.jo]

Birdshot Chorioretinopathy

On ICGA, all 3 patients presented bilateral evenly distributed choroidal hypofluorescent dark dots (HDD) representing choroidal granulomas. [ncbi.nlm.nih.gov]

An adjusted or normalized choroidal reflectivity, with the RPE as the bright reference standard and the vitreous as the dark reference standard, was computed using the formula [ncbi.nlm.nih.gov]

All large choroidal vessels appeared normal. The birdshot lesions were demonstrated with ICG but not with FFA and were represented by dark areas on ICG angiography. [ncbi.nlm.nih.gov]

Cone Rod Dystrophy Type 5

Other reported findings include a dark choroid sign on fluorescein angiography34 and a tapetal-like sheen in XL-CORD.35 Fundus autofluorescence (FAF) and optical coherence [bjo.bmj.com]

Chen JCFitzke FWPauleikhoff DBird AC Functional loss in age-related Bruch's membrane defect with choroidal perfusion defect. [jamanetwork.com]

Alexander KRFishman GA Prolonged rod dark adaptation in retinitis pigmentosa. Br J Ophthalmol. 1984;68561- 569Google ScholarCrossref 26. [jamanetwork.com]

Choroid Hemangioma

Infrared imaging delineates intratumoral vessels in choroidal tumors appearing as dark beaded loops and tufts. [journals.lww.com]

Choroidal melanoma is a solid tumor, ranging from dark brown to golden in color. [atlasrleye.com]

[…] hemangioma from red-orange to dark gray after tantalum clip placement in preparation for external proton beam irradiation. 14 The hemangioma subsequently returned to its [clinicalgate.com]