piece of writing, written material, writing - the work of a writer; anything expressed in letters of the alphabet (especially when considered from the point of view of style and effect); the writing in her novels is excellent; that editorial was a fine piece of writing.
The Senses. Researchers have studied vision more thoroughly than the other senses. Because people need sight to perform most daily activities, the sense of sight has evolved to be highly sophisticated. Vision, however, would not exist without the presence of light. Light is electromagnetic radiation that travels in the form of waves. Light is emitted from the sun, stars, fire, and lightbulbs. Most other objects just reflect light. People experience light as having three features: color, brightness, and saturation.
Blindness is the inability to see. Blindness is the inability to see. The definition of blindness refers to a literal or figurative inability to see. 1  When your eyes do not work and you are unable to see anything, this is an example of blindness. ableptical, adj. amaurosis a condition of partial or total blindness, caused by a disease of the optie nerve. â amaurotic, adj. amblyopia obscurity of vision, occurring without any organic change in the eyes; the first stage of amaurosis.