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Presumed ocular histoplasmosis syndrome (POHS) is a syndrome affecting the eye, which is characterized by peripheral atrophic chorioretinal scars, atrophy or scarring adjacent to the optic disc and maculopathy. The loss of vision in POHS is caused by choroidal neovascularization.
Chorioretinitis is an inflammation of the choroid (thin pigmented vascular coat of the eye) and retina of the eye. It is a form of posterior uveitis.Inflammation of these layers can lead to vision-threatening complications.
Excludes: chorioretinal scars after surgery for detachment (H59.8) peripheral retinal degeneration without break (H35.4) (H33.4) Traction detachment of retina Proliferative vitreo-retinopathy with retinal detachment (H33.5) Other retinal detachments [2]
[1] [2] [3] A unifocal area of acute-onset inflammation adjacent to an old chorioretinal scar is virtually pathognomonic for toxoplasmic chorioretinitis. [ 2 ] [ 3 ] Focal condensation of vitreous and inflammatory cells may be seen overlying the pale yellow or gray-white raised lesion in the posterior pole.
362.6 Peripheral retinal degenerations; 362.7 Hereditary retinal dystrophies; 362.8 Other retinal disorders; 362.9 Unspecified; 363 Chorioretinal inflammations and scars and other disorders of choroid. 363.0 Focal chorioretinitis and focal retinochoroiditis; 363.1 Disseminated chorioretinitis and disseminated retinochoroiditis
Progressive bifocal chorioretinal atrophy, also known for its abbreviations PBCRA or CRAPB, [1] is a rare, slowly progressive, autosomal dominant syndrome characterized by relatively large-sized atrophic hole-shaped lesions in the macular and nasal retina, myopia, low visual acuity, and nystagmus.
Recently, central serous chorioretinopathy has been understood to be part of the pachychoroid spectrum. [5] [6] In pachychoroid spectrum disorders, of which CSR represents stage II, the choroid, the highly vascularized layer below the retina, is thickened and congested with increased blood vessel diameter, especially in the deep choroid (the so-called Haller's layer).
The disease is characterized by vitritis and anterior chamber inflammation. Decreased vision due to vitreous inflammation may occur. Unlike multiple evanescent white dot syndrome, multifocal choroiditis is a chronic disorder and macular scarring contributes to severe visual loss. Theories regarding the cause include an exogenous pathogen ...