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 (database) In the context of a relational database, a column is a set of data values of a particular simple type, one for each row of the table.[1] The columns provide the structure according to which the rows are composed.