WebAug 7, 2015 · Timed optic nerve sheath diameter measurements were obtained on both eyes of healthy adult volunteers with a 10–5-MHz broadband linear array transducer using both traditional visual axis and coronal axis techniques. Optic nerve sheath diameter measurements were obtained by 2 sonologists who graded the difficulty of each … WebMar 29, 2024 · Ultrasonographic optic nerve sheath diameter is correlated with arterial carbon dioxide concentration during reperfusion in liver transplant recipients. Transplant Proc. 2013;45(6):2272–6. doi: 10.1016/j.transproceed.2012.12.032. Rajajee V, Fletcher JJ, Rochlen LR, Jacobs TL. Comparison of accuracy of optic nerve ultrasound for the …
Optic Nerve-Different Sizes - Eye Care - MedHelp
Web• We studied the size, shape, and configuration of connective tissue of the optic disc in normal eye-bank eyes from 60 adults. ... Larger optic discs and optic nerves have more optic nerve fibers than do smaller discs and nerves. Oblique insertions of the disc were detected in 18% of eyes. ... Quigley HA, Brown AE, Morrison JD, Drance SM. The ... WebWe studied the size, shape, and configuration of connective tissue of the optic disc in normal eye-bank eyes from 60 adults. The mean vertical and horizontal disc diameters … nets leasing
Optic Disc Evaluation: Back to Basics - American Academy of ...
WebFeb 2, 2024 · A nerve that is smaller than the typical diameter of an optic disc is frequently connected with hyperopic eyes. 8 Because of the limited size of the optic cup caused by hyperopia, the axons exiting the disc are packed, producing the impression of a raised disc. 8 A hyperopic crowded disc can occur when a normal number of retinal axons pass ... WebUltrasound evaluation of optic nerve sheath diameter in relation to propofol and inhalational anesthetics in patients having surgery in the Trendelenburg position Ann … WebOptic nerve sheath diameter The fact that the optic nerve sheath is an extension of the dura mater enclosing the optic nerve up to the back of the eye was established as early as 1780 by Zinn and Wrisberg in their ‘Descriptio anatomica oculi humani’.[20] However, it was only at the fag end of the previous century when it became established that nets live box score