The human eye

The human eye

The eye is one of our most important sense organs. When stimulated by light, electric impulses are produced by its receptors.

Biology

Keywords

eye, vision, colour vision, perception, light perception, sensory organ, visual acuity, vision problem, light, pupil, iris, sclera, lens, lacrimal gland, anterior chamber, vitreous chamber, eyelid, retina, choroid, macula lutea, scotoma, ciliary body, optic nerve, rod cells, cone cells, light-detecting organ, visual field, receptor, colour, chiasm, reflex, pupillary light reflex, human, anatomy, biology

Related items

The mechanism of vision

The curvature of the lens of the eye changes when we look at a distant or at a near object, to ensure a sharp image.

Vision correction

Concave and convex lenses are used for the correction of short-sightedness and far-sightedness.

Colour vision deficiency

The inability to differentiate certain shades of colour is called colour vision deficiency.

How does it work? - Digital camera

This animation demonstrates the structure and operation of digital cameras.

Human body (male)

This animation introduces the most important organ systems of the human body.

Middle ear infection, otitis media

This animation shows the symptoms and treatment of secretory otitis media.

Nose, the mechanism of smelling

Olfactory receptors produce electric signals when stimulated by odours.

Telescopes

This animation shows optical and radiotelescopes used in astronomical observation.

The ear and the mechanism of hearing

The ear converts the vibrations of air into electric signals which are then processed by the brain.

The Human Body - for Kids

This scene summarizes the main organs of the human body.

The mechanism of taste reception

Taste receptors convert chemical stimuli into electric signals.

The sense of balance

The position and acceleration of the head is detected by the inner ear.

The sense organs

Organs that detect signals of the environment or of the body and transmit them to the brain as nerve impulses.

Diversity of light-detecting organs

Several analogous types of eyes have developed independently through convergent evolution.

The reflection and refraction of light

A ray of light is reflected or refracted at the boundary of two mediums with different refractive indices.

Optical instruments

A wide variety of optical instruments are in use today, ranging from microscopes to telescopes.

Added to your cart.