Myopic peripapillary atrophy
WebChoroidal neovascularization is frequently associated with lacquer cracks or areas of RPE atrophy. CNV has been reported to affect up to 10 to 15 percent of eyes with an axial length greater than 26.5 mm and is a major … WebMay 27, 2016 · Cataract surgery in patients with pathologic myopia can be challenging for a variety of reasons. 1 Preoperatively, ... The posterior segment was notable for a tilted disc, peripapillary atrophy, posterior pole staphyloma, macular retinal pigmentary epithelial changes, peripheral laser scars, and lattice degeneration (Figure 2). The LE ...
Myopic peripapillary atrophy
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WebFeb 4, 2024 · PPA is the atrophy and thinning of the local retina and choroid occurring in the juxtapapillary area adjoining the optic disc margin, mainly seen in elderly, glaucomatous, or highly myopic populations. It is classified into two … WebJul 29, 2024 · There is a shifting of the inner sclera, which itself is thinned in high myopes. There are thinning of the choroid and absence of the temporal peripapillary choroid. The subarachnoid space (SAS) is expanded Full size image Fig. 25.3 Optic disc appearance in emmetropic eyes ( a) and in eyes with pathologic myopia ( b – h ).
WebApr 6, 2024 · Myopia is the most common ocular disorder in the world, with a high prevalence rate in East Asia. 1 – 3 In myopic eyes, axial elongation is accompanied by scleral remodelling around the optic nerve head (ONH). Moreover, specific anatomic optic disc features, such as peripapillary atrophy, often appear in myopic eyes. 4 – 6 In recent …
WebRecently, we observed that peripapillary intrachoroidal cavitation (PICC), a complication found in highly myopic eyes 1,2 occurs exclusively in eyes combining gamma peripapillary atrophy (γPPA) and a peripapillary staphyloma (PPS) (unpublished), suggesting structural peculiarities of the peripapillary region when these anomalies coexist ... WebJan 15, 2014 · • Case 1 shows the progression of a patient with high myopia and pathologic chorioretinal atrophy. The ophthalmoscopic findings include peripapillary atrophy and linear chorioretinal atrophy corresponding to a lacquer crack. Over several years of follow-up, the patient developed choroidal neovascularization, which was successfully treated ...
WebApr 7, 2024 · Optic atrophy refers to the death of the retinal ganglion cell axons that comprise the optic nerve with the resulting picture of a pale optic nerve on fundoscopy. Optic atrophy is an end stage that arises from myriad causes of optic nerve damage anywhere along the path from the retina to the lateral geniculate.
Pathologic myopia represents a subgroup of myopia and affects up to 3%of the world population. Vision lossrelated to pathologic myopia is of great clinical significance as it can beprogressive, irreversible and affects individuals during their most productiveyears. High myopia is defined asrefractive error of at … See more Theoverall global prevalence is estimated to be 0.2-3.8% with regional variability, but varying definitions of pathologic myopia used in early epidemiological studies may limit the comparability of findings.The prevalence … See more Patients may describe needing to wear thick glasses as a child orslowly progressive vision loss. They mayendorse new metamorphopsia or scotoma when vision-limiting … See more The main factors proposed for driving the development of pathologic myopia are elongation of the axial length and posterior staphyloma.Biomechanical forces related to axial elongation of … See more Both environmental and genetic factors play a role in the development of myopia, which is further discussed in the corresponding article. … See more gb 0969WebIt is primarily caused by atrophic changes that are genetically determined, with a minor contribution from stretching due to elongation of the eyeball. In myopia that is no longer … autohaus kehry in kaiserslauternWebOct 18, 2012 · In addition to the thinning of the peripapillary scleral flange, the paucity of larger vessels in delta zone and the increased distance between the peripapillary arterial circle of Zinn-Haller and the optic disc border in highly myopic eyes may be an additional factor for the increased glaucoma susceptibility in highly myopic eyes . gb 078450WebTILTED DISCS. (3A) Right and (3B) left optic nerves of highly myopic Chinese man with bilateral tilted discs and peripapillary atrophy (double arrows). At presentation, he had a dense superior field defect on the right … autohaus kempen kölnWebSep 27, 2024 · Peripapillary intrachoroidal cavitation (ICC) or suprachoroidal separation without cavity formation. (Top row) Left fundus of a 47-year-old man with an axial length of 28.1 mm. Yellowish lesion (arrowheads) is seen around the peripapillary atrophy (PPA). Retinal vein is herniated at around the border of the PPA and ICC. gb 1 tbWebTypical features of degenerative myopia demonstrating: Peripapillary atrophy. Tilted disc. Tesselated or tigroid fundus. Multiple areas of pigment epithelium and choriocapillaris atrophy involving the macular area. … autohaus kemptenWebAs peripapillary diffuse atrophy in childhood may be an indicator of more advanced myopic chorioretinal atrophy in later life, some preventive measures should be considered in such … gb 1*9*22