Anatomy & Physiology The colored ring of our eye/eye color is called iris (rainbow skin). The iris consists histologically of several layers. The layer that is decisive for the eye colour is called stroma iridis, where stroma means connective tissue. This layer consists mainly of collagen fibres and fibroblasts, i.e. cells that produce components of … How does eye colour come about?
Interesting facts about eye colour About 90% of the world population has brown eyes. – Especially among Europeans, most newborns are born with blue eyes. The formation of melanin by the melanocytes does not begin until the first weeks of life, so that the final eye colour only shows after a few months to years. … Interesting facts about eye colour | How does eye colour come about?
Different eye colour between the eyes A difference in eye color between the two eyes of a person is medically called iris heterochromia. This can be congenital due to genetic dispositions or genetic mutations. If someone is born with heterochromia, one should clarify whether a syndrome may also be associated with hearing loss. Furthermore, a … Different eye colour between the eyes | How does eye colour come about?
Physiology The choroid contains many blood vessels. These have a total of two functions. The first important task is to feed the outer layer of the retina. These are mainly the photoreceptors, which receive and transmit the light impulses. The retina also consists of several layers. The inner layers are supplied with blood by a … Physiology | Choroid
Synonyms in a broader sense Vascular skin (Uvea) Medical: Choroidea English: choroid Introduction The choroid is the rear part of the vascular skin (uvea) of the eye. It is embedded between the retina and the sclera as a central sheath. The iris and the ciliary body (corpus ciliare) also belong to the vascular skin. With … Choroid
Definition Uveal melanoma is the most common malignant tumor inside the eye in adults. The choroid forms the posterior part of the vascular skin in the eye. A choroidal melanoma is caused by a degeneration of the pigment-forming cells (melanocytes), which are important for the colour of the eye. Therefore these tumours are often dark … Choroidal melanoma – What are the chances of recovery?
An inflammation of the choroid is also called choroiditis and describes an inflammation of the choroid, which is located between the retina and the sclera. The choroid is responsible for supplying nutrients and regulating the temperature of the retina. Often the inflammation affects the retina at the same time, so in most cases it is … Haematitis
Treatment/Therapy The treatment of a choroidal inflammation depends on the cause. Therefore, a quick and comprehensive diagnosis is very important for the correct therapy decision. In very severe cases where there is no healing, surgical therapy can prevent complications from occurring. If a bacterial infection is the cause of the choroiditis, treatment is primarily by … Treatment/Therapy | Haematitis
