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The optic disc or optic nerve head is the point of exit for ganglion cell axons leaving the eye. Because there are no rods or cones overlying the optic disc, it corresponds to a small blind spot in each eye. The ganglion cell axons form the optic nerve after they leave the eye. The optic disc represents the beginning of the optic … 展开
Almost all eye structures can be examined with appropriate optical equipment and lenses. Using a modern direct ophthalmoscope gives … 展开
• Megalopapilla: a non-progressive condition in which the optic disc is enlarged (diameter exceeding 2.1 mm) with no other morphological abnormalities. 展开
The optic disc or optic nerve head is the point of exit for ganglion cell axons leaving the eye. Because there are no rods or cones overlying the optic disc, it corresponds to a small blind spot in each eye. 展开
• Blood flow in the optic disc revealed by holographic laser Doppler imaging.
• Local direction of blood flow with respect to the optical axis revealed by the Doppler spectrum asymmetry in … 展开CC-BY-SA 许可证中的维基百科文本 What Is the Optic Disc? - Medical Definition - All About …
2023年1月11日 · The optic disc is a round spot where the retina and optic nerve meet at the back of the eye. Learn about its structure, role and common disorders that affect it, such as glaucoma, papilledema and optic disc drusen.
视神经乳头 - 百度百科
视神经乳头又称视神经盘，简称视盘(optic disc)、视乳头、盲斑、眼盲部(parscaeca oculi)。 视神经在球内可见的部分，为视网膜神经纤维的汇集处。 位于眼球后极部鼻侧约3毫米，直径1.5毫米圆盘状，故称视盘较为准确，习惯上称 …
Optic disc: Anatomy, function and location - Kenhub
2023年10月30日 · The optic disc is an elevation on the medial aspect of the retina where the sensory fibers and retinal vessels pass through the eyeball. The nerve fibers are conveyed via …
Optic Disc Drusen: Causes, Symptoms & Treatment - Cleveland Clinic
Optic disc drusen are clumps of fatty proteins that collect in your optic disc, the front part of the optic nerve in your retina. They can cause vision loss and are linked to some conditions, but …
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查看全部Papilledema (Optic Disc Swelling): Causes & Symptoms
Papilledema is the swelling of the optic disc due to increased intracranial pressure. Learn about the possible causes, symptoms, diagnosis and treatment of this serious condition that can lead …
Optic Disc - American Academy of Ophthalmology
2016年3月28日 · Learn about the optic disc, the structure around the optic nerve where it enters the back of the eye. Find out how the optic disc relates to general eye anatomy and other eye conditions.
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Optic Disc - an overview | ScienceDirect Topics
Learn about the optic disc, the anterior part of the optic nerve that consists of bundled axons from the retinal ganglion cells. Find chapters and articles on optic disc anatomy, physiology, …
Optic nerve (CN II): Anatomy, pathway and histology
2023年8月16日 · The optic nerve head (also known as the optic disc) is approximately 1.5 mm wide and is also associated with a physiological cup that corresponds to a central depression in the optic nerve head. The dimensions …
Optic disc - e-Anatomy - IMAIOS
The optic disc represents the beginning of the optic nerve (second cranial nerve) and is the point where the axons of retinal ganglion cells come together. The optic disc is also the entry point for the major blood vessels that supply the retina.
