Items tagged “eye”

103 results found
Article

Exudative retinitis

Exudative retinitis, also known as retinal telangiectasis or Coats disease, is a rare congenital disease affecting the eyes and is a cause of leukocoria. Epidemiology It occurs predominantly in young males, with the onset of symptoms generally appearing in the first decade of life with a peak ...
Case

Drusen

  Diagnosis certain
Frank Gaillard
Published 05 Apr 2010
68% complete
CT
Article

Optic disc drusen

Optic disc drusen (ODD), or hyaline bodies, are a relatively common entity usually found incidentally on CT or on follow-up of abnormal fundoscopy. Epidemiology Optic disc drusen are identified radiographically in up to 0.3-3.7% of the population and are frequently bilateral 1,4,5. They are ty...
Article

Choroidal osteoma

Choroidal osteomas are rare benign calcific masses of the globe.  Epidemiology Choroidal osteomas are typically found in young Caucasian women 1. A number of familial cases have been reported 3.  Clinical presentation These lesions are usually unilateral (75%), and result in painless and gra...
Article

Retinoblastoma (staging)

Retinoblastoma staging can be via a number of systems with various end-points and multiple systems are often used concurrently. Staging Reese Ellsworth classification The Reese Ellsworth classification is assessed with fundoscopy and aims at predicting the chance of preserving the eye with ex...
Case

Retinoblastoma

  Diagnosis certain
Frank Gaillard
Published 20 Apr 2010
77% complete
MRI
Case

Retinoblastoma - fundoscopy (photo)

  Diagnosis not applicable
Frank Gaillard
Published 20 Apr 2010
36% complete
MRI
Case

Retinoblastoma (gross pathology)

  Diagnosis not applicable
Frank Gaillard
Published 20 Apr 2010
38% complete
Photo
Case

Retinoblastoma - leukocoria (photo)

  Diagnosis not applicable
Frank Gaillard
Published 20 Apr 2010
47% complete
Photo
Case

Drusen (histology)

  Diagnosis not applicable
Frank Gaillard
Published 22 Apr 2010
41% complete
Photo
Article

Intraconal orbital compartment

The intraconal orbital compartment or intraconal space is the conical space within the orbit and musculofascial cone, the base of which is anterior and is formed by the posterior half of the globe. The sides are formed by the extraocular muscles and their surrounding fascia which pass posteriorl...
Case

Vitreous hemorrhage - traumatic

  Diagnosis almost certain
Andrew Dixon
Published 12 May 2010
59% complete
CT
Case

Retinoblastoma

  Diagnosis certain
Frank Gaillard
Published 21 May 2010
83% complete
CT
Case

Auto-enucleation

  Diagnosis certain
The Radswiki
Published 17 Jul 2010
66% complete
CT
Article

Cogan syndrome

Cogan syndrome is a rare vasculitis of young adults that is primarily characterized by 1,4,6: inflammatory eye disease (classically interstitial keratitis) 6 audiovestibular dysfunction (similar to Meniere disease) 6 Epidemiology Cogan syndrome is rare and can occur in people of any age and ...
Article

Retinopathy of prematurity

Retinopathy of prematurity (ROP) (formerly referred to as retrolental fibroplasia) is an ocular condition seen in the infant population. It often occurs bilaterally, although usually with significant asymmetry 1.  Epidemiology There is often a history of premature delivery, low birth weight, a...
Article

Extraocular muscles

The extraocular muscles (EOMs) are the six skeletal muscles that insert onto the eye and hence control eye movements. Terminology The extraocular muscles maybe subdivided into the recti muscles and the oblique muscles. Action A summary of the principal actions of each muscle are given below....
Article

Orbital spaces

The orbital spaces are important when considering different pathologies: globe subdivided into anterior and posterior segments by the lens optic nerve-sheath complex optic nerve  ophthalmic artery central retinal artery and vein surrounding sheath of meninges as an extension of the cerebr...
Article

Ocular metastasis

Ocular metastases, also termed uveal metastases, account for over 80% of all ocular pathology, and need to be distinguished from extraocular metastasis, which are quite different groups of tumors. This article will discuss metastatic lesions affecting the orbits. For other intracranial metastat...
Article

Terson syndrome

Terson syndrome refers to intraocular hemorrhage in patients with intracranial hemorrhage. Terminology The traditional definition of Terson syndrome was vitreous hemorrhage associated with subarachnoid hemorrhage. More recently, a broader definition captures intraocular hemorrhages involving v...

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