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.
Column definition, a rigid, relatively slender, upright support, composed of relatively few pieces. See more.