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.
Columns on the front of the U.S. Supreme Court building. The definition of a column is a vertical arrangement of something, a regular article in a paper, magazine or website, or a structure that holds something up. 1  An example of column is an Excel list of budget items.2  An example of column is a weekly recipe article.olumns on the front of the U.S. Supreme Court building. The definition of a column is a vertical arrangement of something, a regular article in a paper, magazine or website, or a structure that holds something up. 1  An example of column is an Excel list of budget items. 2  An example of column is a weekly recipe article.