Symptoms include eye strain, dry eyes, blurred vision, red or pink eyes, burning, light sensitivity, headaches and pain in the shoulders, neck and back. Please read our articles on computer vision syndrome to learn more. cone A photosensitive receptor in the retina that helps you to see color.
Full Definition of COLUMNIST. : one who writes a newspaper or magazine column.
â¢ COLUMN (noun) The noun COLUMN has 7 senses: 1. a line of (usually military) units following one after another. 2. a vertical glass tube used in column chromatography; a mixture is poured in the top and washed through a stationary substance where components of the mixture are adsorbed selectively to form colored bands. 3. a linear array of numbers one above another.