Chapter 10 - Human Eye and The Colourful World
Home Page Chapter 10: The Human Eye and the Colourful World 1. The Human Eye The human eye is a natural optical device that helps us to see objects around us. Draw Human Eye from figure 11.1 Ncert Book Structure of Human Eye: Eye Ball : Its spherical in shape with diameter 2.3 cm. Cornea: Transparent front part where light enters. It bends light towards the lens. Aqueous Humour: A transparent liquid filled in the space between cornea and eye lens. Iris: It is the dark muscular diaphragm between the cornea and the lens. Pupil: It is the small hole between the iris through which light enters. Lens: Convex, transparent, flexible structure located behind the iris. Ciliary Muscles: Muscles holding the lens in position. Vitreous Humour : A liquid filled in the space between the eye lens and retina. Retina: Screen where the image is formed. It contains light-sensitive cells (rods and cones)...