WebJul 1, 2024 · Optic disc histograph and optical coherence tomographic (OCT) image showing the three layers of the optic nerve head canal, including Bruch's membrane opening (yellow line), the choroidal opening (red line), and the opening of the peripapillary scleral flange (black line), covered by the lamina cribrosa (green triangle), shown in non-myopic eyes … Web4 rows · Jul 22, 2024 · The optic nerve head (also known as the optic disc) is approximately 1.5 mm wide and is also ...
The Use of OCT in Differential Diagnosis of Elevated …
WebNov 13, 2024 · Optic disc cupping in glaucomatous and non-glaucomatous optic neuropathies have been explained by Burgoyne Citation 11 to be consistent with two principal components: prelaminar and laminar thinning. Prelaminar thinning can occur due to loss of retinal ganglion cell axons and/or due to physical compression. ... The histology of … WebFeb 22, 2024 · The optic nerve head was funnel-shaped. It had a central whitish fibrous tissue and was surrounded by a ring-shaped area of chorioretinal pigmentary disturbance. The retinal vessels originated as … describe the lewis structure of graphite
Optic Disc Drusen - Glaucoma Today
WebMay 17, 2024 · Optic disc pit An important skill is being able to recognise these variants and have a working knowledge as to how to manage them. It is always worth highlighting that bilateral swollen discs can represent an ocular emergency. Tilted disc WebNov 5, 2024 · Leber hereditary optic neuropathy (LHON) is a rare disease with a prevalence of 1 in 25,000 births. LHON usually presents in young males, with painless loss of visual acuity in one or both eyes. Recently an autosomal recessive form of the disease (arLHON or LHONAR) has been described, which is caused by a biallelic mutation in the DNAJC30 … WebTo assess the histologic correlate of the peripapillary ring (PPR) as the optic disc boundary, to measure it histomorphometrically and to assess its associations with glaucoma and axial length. Methods: We additionally had measured the axial length, length of parapapillary beta and gamma zones, and thickness of the sclera and choroid. chrystallis maiche