Näköaistiin
Näköaistiin, or the sense of sight, refers to the sensory modality by which organisms detect and interpret light to form visual experiences. In humans and many animals, vision arises from the eye and brain working together to convert light into neural signals and to interpret patterns, colors, movement, and depth.
Anatomy and physiology. Light enters the eye through the cornea and is focused by the lens, with
Development and variation. The visual system develops after birth, with critical periods for normal maturation of
Clinical relevance. Common conditions affecting näköaistiin include refractive errors (myopia, hyperopia, astigmatism), cataracts, glaucoma, age-related macular