The Eye and Optical

IllusionsChatfield Senior High

Parts of the Eye

Blind Spot Test

Nearsightedness (Myopia)

You can see near, but need eyeglasses for far vision Caused by too thick of lens. Corrected by a divergent (concave) lens.

Farsightedness (Hyperopia)

Farsighted is that you see far, but need glasses to read. This is corrected by a convex lens (bottle-cap glasses)

Your eye test

Colorblindness

Colorblindness

Colorblindness

Astigmatism

Blurring of vision due to irregularly shaped lens

Glaucoma

Pressure in your eye damages the optic nerve causing vision blackouts

Glaucoma

Macular Degeneration

Center of retina degrades due to age.

Optical Illusions

Optical Illusions

Optical Illusions

Optical Illusions

Optical Illusions

Optical Illusions

Optical Illusions (Eyetricks.com)

Optical Illusions

Optical Illusions

Optical Illusions

Optical Illusions

The Paomnnehal Pweor of The Hmuan Mnid By John Derbyshire Aoccdrnig to rscheearch at Cmabrigde

Uinervtisy, it deosn’t mttaer in what oredr the ltteers in a wrod are, the olny iprmoatnt tihng is taht the frist and lsat ltteer be in the rghit pclae. The rset can be a taotl mses and youcan sitll raed it wouthit porbelms. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe.

Optical Illusions

Optical Illusions

MC Escher

MC Escher

MC Escher

MC Escher