Choroid - Wikipedia
网页The choroid, also known as the choroidea or choroid coat, is a part of the uvea, the vascular layer of the eye. It contains connective tissues, and lies between the retina and the sclera.
Choroidal Nevus: Causes, Symptoms and Treatments - All About Vision
网页2021年10月20日 · A choroidal nevus (plural: nevi) is a harmless spot inside of your eye that’s usually flat and gray in color. However, it is not visible in the mirror. It’s unlikely you will know you have a choroidal nevus unless your eye doctor spots it during an exam.
Choroid: Anatomy and function - Kenhub
网页2023年10月30日 · The choroid forms part of the vascular layer of the eyeball, along with the ciliary body and iris. It is a thin, pigmented vascular connective tissue layer of the eyeball that extends from the ora serrata to the optic nerve (CN II).
What Is the Choroid of the Eye? - Verywell Health
网页2022年8月11日 · The choroid is the vascular layer of the eye that lies between the retina and the sclera. The choroid is thickest in the back of the eye, where it is about 0.2 mm, and narrows to 0.1 mm in the peripheral part of the eye. It contains the retinal pigmented epithelial cells and provides oxygen and nourishment to the outer retina.
Choroid of the Eye - All About Vision
网页2021年2月22日 · The choroid is the middle layer of tissue in the wall of the eye. It’s found between the sclera (the whites of the eyes) and the retina (the light-sensitive tissue in the back of the eye). This thin layer of tissue is made up almost entirely of blood vessels.
Choroid - American Academy of Ophthalmology
网页2016年3月28日 · The part of your eye between the sclera and the retina. The choroid is part of the uvea, and it contains blood vessels and connective tissue. Read an overview of …
Choroidal Detachment - Patients - The American Society of …
网页Choroidal Detachment. The choroid (pronounced “CORE-oyd”) is a spongy layer of blood vessels that lines the back wall of the eye between the retina and the sclera (or the white part of the eye). It plays an important role in delivering oxygen and nutrients to …
Choroidal Nevus: A Freckle in the Eye - Verywell Health
网页2024年5月8日 · What Is a Choroidal Nevus? A choroidal nevus is the name given to a spot, freckle, or mole that appears in the back of the eye. Sometimes detected during a dilated eye examination, these pigmented spots are usually flat and slate-greyish in color.
Choroid: MedlinePlus Medical Encyclopedia
网页2023年4月27日 · The choroid is the layer of blood vessels and connective tissue between the white of the eye and retina (at the back of the eye). It is part of the uvea and supplies nutrients to the inner parts of the eye. Inflammation of the choroid is called choroiditis.
The structure and function of the human choroid - ScienceDirect
网页2024年6月1日 · The choroid is a sponge-like vascular connective tissue located between the sclera and the retina and making up the posterior part of the uvea (Fig. 1). In humans, it is about 200 μm thick at birth and decreases to about 80 …