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The normal (monocular) human visual field extends to approximately 60 degrees nasally (toward the nose, or inward) from the vertical meridian in each eye, to 107 degrees temporally (away from the nose, or outwards) from the vertical meridian, and approximately 70 degrees above and 80 below the horizontal meridian. [7] [1] [8] [9]
Figure drawing by Leonardo da Vinci. A figure drawing is a drawing of the human form in any of its various shapes and postures, using any of the drawing media. The term can also refer to the act of producing such a drawing. The degree of representation may range from highly detailed, anatomically correct renderings to loose and expressive sketches.
Animal-made art consists of works by non-human animals, that have been considered by humans to be artistic, including visual works, music, photography, and videography. Some of these are created naturally by animals, often as courtship displays , while others are created with human involvement.
The visual system also has several non-image forming visual functions, independent of visual perception, including the pupillary light reflex and circadian photoentrainment. This article describes the human visual system, which is representative of mammalian vision , and to a lesser extent the vertebrate visual system.
For example, binocular vision, which is the basis for stereopsis and is important for depth perception, covers 114 degrees (horizontally) of the visual field in humans; [7] the remaining peripheral ~50 degrees on each side [6] have no binocular vision (because only one eye can see those parts of the visual field). Some birds have a scant 10 to ...
Chiaroscuro – using strong contrasts between light and dark to achieve a sense of volume in modeling three-dimensional objects such as the human body. Gesture Drawing - loose drawing or sketching with the wrists moving, to create a sense of naturalism of the line or shape, as opposed to geometric or mechanical drawing; Grisaille –
A gesture drawing is a laying in of the action, form, and pose of a model/figure. Typical situations involve an artist drawing a series of poses taken by a model in a short amount of time, often as little as 10 seconds, or as long as 5 minutes.
"Animal style" deer, (8-7th century BC) Arzhan kurgan, Tuva. Ordos culture, belt buckle, 3rd–1st century BC. Animal style art is an approach to decoration found from Ordos culture to Northern Europe in the early Iron Age, and the barbarian art of the Migration Period, characterized by its emphasis on animal motifs.