The Island of the Colorblind, Oliver Sacks
A tale of two island cultures, the first where colourblindness is common, the second a degenerative condition that affects mind and body. A doctor who has is colourblind and also studies the condition describes a further appriciation of luminance and texture. In their island their is a common understanding these abilities. On the other island many families have lost large number to this mysterious disease. However there is tremendous support amongst the people even in the face of this. On a positive note the younger generation is disease free.