WebFeb 28, 2014 · OAG was defined as the presence of glaucomatous optic nerve damage (neuroretinal rim notching or thinning, or retinal nerve fiber layer [RNFL] defect) and associated visual field defects without ocular disease or conditions that may elevate the intraocular pressure (IOP). WebDec 17, 2024 · Serous maculopathy associated with optic nerve head pit. History: Wiethe …
Neuromyelitis Optica - EyeWiki
WebVitreous and Retina Prepapillary Vascular Loops Can be arterial or venous. Usually congenital and most commonly unilateral. Clinical Features Usually gives no symptoms, unless it is complicated with vascular obstruction Signs: May appear as simple hairpin loops, in a figure eight, or in a corkscrew configuration WebIt is commonly accepted that PICC probably finds its origin in biomechanical processes … sickness without fever
Pituitary Adenoma Causing Compression of the Optic …
WebFeb 27, 2016 · 6. Dimensions Vertical diameter = 1.8 mm Horizontal diameter = 1.5 mm Depth = 1 mm Cup : Disc ratio - Ratio of vertical diameter of optic cup to that of optic disc May vary from 0.1 - 0.9 Correction factors for estimating optic disc diameter: Volk +78 D = 1.1 x Volk +90 D = 1.3 x ISNT rule - Inferior NRR is broadest followed by superior, nasal ... WebOptic neuropathy is damage to the optic nerve from any cause. The optic nerve is a bundle of millions of fibers in the retina that sends visual signals to the brain. [1]. Damage and death of these nerve cells, or neurons, leads to characteristic features of optic neuropathy. The main symptom is loss of vision, with colors appearing subtly ... WebOptic vesicles are outgrowings of the brain which make contact with the surface ectoderm and this contact induces changes necessary for further development of the eye. Through a groove at the bottom of the optic vesicle known as … the pichaxx injector website