Retina Anatomy
The optic nerve contains the ganglion cell axons running to the brain and additionally incoming blood vessels that open into the retina to vascularize the retinal layers and neurons fig. The retina is the innermost light sensitive layer of tissue of the eye of most vertebrates and some molluscs.
Retinal Anatomy
This fundus photograph shows the normal appearance of the retina.
Retina anatomy. These cells can be divided into a. Cellular anatomy of the retina the retina consists of millions of cells packed together in a tightly knit network spread over the surface of the back of the eye. Cones are more prominent in humans and those animals that are active during the day and provide detailed vision as for reading and colour perception.
The red curving structures are blood vessels which enter the retina through the nerve. The retina processes light through a layer of photoreceptor cells. The whitish circle is the nerve that connects the retina to the brain.
The optics of the eye create a focused two dimensional image of the visual world on the retina which translates that image into electrical neural impulses to the brain to create visual perception the retina serving a function analogous to that of the film or image sensor in a camera. These are essentially light sensitive cells responsible for detecting qualities such as color and light intensity. The neural retina consists of several layers of neurons interconnected by synapses and is supported b.
The retina processes the information gathered by the photoreceptor cells and sends this information to the brain via the optic nerve. Rods predominate in nocturnal animals and are most sensitive to reduced light intensities. This page describes normal retinal anatomy.
The retina is approximately 05 mm thick and lines the back of the eye. In humans they provide night vision and aid in visual orientation. Refer to this page for comparison with the retinal disease pages.
Simple anatomy of the retina by helga kolb.
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