What is light? The light we perceive is electromagnetic radiation of a wavelength in the range of 380 – 780 nanometers (nm). The different wavelengths of light in this spectrum determine the color. For example, the color red is in a wavelength range of 650 – 750 nm, green in the range of 490 – … What is light? | How does vision work?
Visual perception in the retina For us to be able to see, the light must reach the retina in the back of the eye.It first falls through the cornea, pupil and lens, then crosses the vitreous body behind the lens and must first penetrate the entire retina itself before it reaches the places where it … Visual perception in the retina | How does vision work?
Transmission of stimuli in the retina In the retina mainly 4 different cell types are responsible for the transmission of the light stimulus. The signal is transmitted not only vertically (from the outer retinal layers to the inner retinal layers), but also horizontally. Horizontal transmission is performed by horizontal and amacrine cells, vertical transmission by … Transmission of stimuli in the retina | How does vision work?
Viewing mode of visual perception Basically, the process of “seeing” can be viewed and described from different angles. The view described above is from a neurobiological perspective. Another interesting point of view is the psychological view. This divides the process of seeing into 4 stages. The first stage (physical-chemical stage) and the second stage (physical … Viewing mode of visual perception | How does vision work?
Differences to the animal world The type of vision described above refers to the visual perception of humans. Neurobiologically, this form hardly differs from perception in vertebrates and molluscs. Insects and crustaceans, on the other hand, have so-called compound eyes. These consist of about 5000 individual eyes (ommatids), each of which has its own sensory … Differences to the animal world | How does vision work?
Synonyms in a broader sense Medical: Visual perception, visualizing looking, looking Introduction Seeing is a very complex process that has not yet been fully explained in detail. Light is transmitted to the brain in electrical form as information and processed accordingly. In order to understand vision, some terms should be known, which are explained briefly … How does vision work?
