1. Basic knowledge: function and Structure The structure and composition of human eyes are similar: elliptical structure, taper on both sides, eyelids, eyes and eyebrows. It's easy to draw a recognizable eye, just like the following picture.
The top to bottom elements in the figure are listed below: 1. Eyebrows: It protects your eyes from dust and sweat on the forehead. 2. Eyelid pleat: When the eyes open, fold on the eyeball, eyeball up and down. 3. Orbital: The skin is divided in Split, due to the role of the eyeball, showing an oval shape. 4. Eyelash: Protects the eye from the dust, the strong light and the extra sensory stimulation damage, in the creation, the eyelash commonly manifests the feminine characteristic. 5. Whites: The main part of the eyeball. 6. Iris: is actually muscle, is not very magical! The iris shrinks or expands to regulate the intensity of light entering the pupil. 7. Pupil: The black hole in the middle, we see things through this hole, the light enters this black hole, forms the image inside our eyeball. 8. Lacrimal gland: Located inside two eyes, the source of tears, color bias powder. 9. Lacrimal gland skin pleat: Located inside the lacrimal gland. |