Items tagged “globe”
6 results found
Article
Calcification of the globe (differential)
Calcification of the globe has many causes, varying from benign to malignant. When calcification is seen in the posterior half of the globe, it could relate to any of the layers (scleral, choroidal or retinal), as it is not possible to separate them out on CT.
Retinal
drusen: 1% population at ...
Article
Ectopia lentis
Ectopia lentis refers to subluxation or dislocation of the lens of the eye secondary to dysfunction or disruption of zonular fibers. It is most commonly due to trauma. The commonest atraumatic etiologies are Marfan syndrome and homocystinuria.
Pathology
Etiology
trauma
systemic and syndromic...
Article
Primary uveal malignant melanoma
Malignant uveal melanomas, also referred to as choroidal melanomas, are the most common primary tumor of the adult eye 3.
Epidemiology
Malignant melanoma of the uvea is the most common primary intraocular malignancy and is predominantly seen in the White population 5. The incidence of these t...
Article
Senile calcific scleral plaques
Senile calcific scleral plaques, also known as senile scleral plaques, are benign degenerations of the ocular sclerae, common in elderly individuals. They are a common incidental finding on CT.
Epidemiology
The prevalence of senile scleral plaques increases with age, from ~2.5% at age 60, to 2...
Article
Sclera
The sclera (plural: scleras or sclerae) is the fibrous, opaque white, coat of the eye. It functions to protect the intraocular contents.
Summary
location: posterior fifth-sixths of the eyeball
blood supply: ciliary arteries
innervation: ciliary nerves
relations: anteriorly continuous with ...
Article
Choroid (eye)
The choroid is part of the uveal layer of the eye along with the ciliary body and iris 1.
Summary
location: posterior aspect of the globe
function: vascularization of the outer retina
arterial supply: posterior ciliary arteries
innervation: short ciliary nerves, long ciliary nerves
relat...
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