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.
Full Definition of COLUMN. 1. a: a vertical arrangement of items printed or written on a page b: one of two or more vertical sections of a printed page separated by a rule or blank space c: an accumulation arranged vertically: stack. 2.