Webmyelination Myelinated optic disc There are white patches with feathery edges. The lesion follows the direction of the nerve fiber layers. In MRCOphth, this may not be the only sign. Look for another pathology … WebIt is a unilateral or bilateral malformation of the optic nerve with a wide spectrum of severity. It has numerous clinical correlates, including neurologic and endocrine pathologies, …

Optic nerve formation (Chapter 8) - Retinal Development

Web31 mrt. 2024 · Anatomy. The optic nerve is mainly made up of the axons (nerve fibers) of the retinal ganglion cells from the retina. The optic disc or nerve head is the point where … Web26 aug. 2016 · Minor congenital anomalies include persistence of the hyaloid system on the disk, projection of vascular loops from the disk, myelination of the nerve fibers … bit of a chip

Pathology of the Optic Nerve Ento Key

Web29 okt. 2014 · Retinal gliosis ( Figure 2 , compare to normal in ), the proliferation of astrocytes, Müller cells, and/or microglia, can occur in various retinal layers with focal to diffuse distribution. It is characterized by … WebThey had axial hypotonia with peripheral spasticity and/or hyperreflexia, and a few had dystonia. Ocular anomalies, such as hypermetropia, foveal hypoplasia, and pale optic discs, were sometimes observed; nystagmus was uncommon. Other features included constipation and recurrent infections, mainly respiratory. WebRetinal nerve fiber layer Tools The retinal nerve fiber layer ( RNFL) or nerve fiber layer, stratum opticum, is formed by the expansion of the fibers of the optic nerve; it is thickest near the optic disc, gradually diminishing toward the ora serrata . dataframe boolean filter