These are essentially light sensitive cells responsible for detecting qualities such as color and light intensity. This fundus photograph shows the normal appearance of the retina.
Human Eye The Retina Britannica
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.
Retina anatomy. This page describes normal retinal anatomy. Refer to this page for comparison with the retinal disease pages. In humans they provide night vision and aid in visual orientation.
The neural retina consists of several layers of neurons interconnected by synapses and is supported b. 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. The retina is approximately 05 mm thick and lines the back of the eye.
The red curving structures are blood vessels which enter the retina through the nerve. 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 retina processes light through a layer of photoreceptor cells.
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. Rods predominate in nocturnal animals and are most sensitive to reduced light intensities. The whitish circle is the nerve that connects the retina to the brain.
Simple anatomy of the retina by helga kolb. These cells can be divided into a. The retina processes the information gathered by the photoreceptor cells and sends this information to the brain via the optic nerve.
The retina is the innermost light sensitive layer of tissue of the eye of most vertebrates and some molluscs.
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