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The Retina as a Model for Investigating Neurochemistry and Development in the Central Nervous System
Roberto Paes-de-Carvalho1, Sriparna Majumdar2
1Department of Neurobiology and Program of Neurosciences, Fluminense Federal University, Niterói 24210-201, RJ, Brazil.
Brain Sciences
|July 28, 2026
Summary
The retina, a neural tissue layer at the eye's back, processes visual stimuli. This initial processing is crucial for transmitting external environmental information for further interpretation.
Area of Science:
- Ophthalmology
- Neuroscience
- Cell Biology
Background:
- The retina is a complex neural tissue layer responsible for initial visual information processing.
- Understanding retinal function is key to comprehending visual perception and treating eye diseases.
Related Concept Videos
01:32The Retina
The retina is a layer of nervous tissue at the back of the eye that transduces light into neural signals. This process, called phototransduction, is carried out by rod and cone photoreceptor cells in the back of the retina.
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The eye is a spherical, hollow structure composed of three tissue layers. The outer layer — the fibrous tunic, comprises the sclera — a white structure — and the cornea, which is transparent. The sclera encompasses some of the ocular surface, most of which is not visible. However, the 'white of the eye' is distinctively visible in humans compared to other species. The cornea, a clear covering at the front of the eye, enables light penetration. The eye's middle layer, the vascular tunic,...