Do you often find yourself rubbing your eyes? After working on a display screen or reading a book, do you wind up having a headache? Do you seem to have problems focusing your vision, with or without glasses? If the answer to any of these questions is yes, you may be suffering from eyestrain. Your vision is one of your most important senses, and by not recognizing the signs of eyestrain, you leave yourself subject to a host of problems, including: - Headaches - Blurred vision - Eye pain - Dry eye - Excessive tearing - Excessive blinking - Double vision - Eye fatigue - Heavy eyes - Burning sensation - Difficulty focusing - Poor night vision - Neck & shoulder pain - Poor visual acuity - Bloodshot eyes The good news is that there is no reason to suffer from these common and annoying symptoms. Noted optometrist and bestselling author Jeffrey Anshel, OD, has written a guide to understanding and eliminating all of them. Written in plain English, What You Must Know About Eyestrain provides you with the up-to-date information required to identify the source of the problem?whether it is your display screen, inadequate lighting, poor nutrition, or merely the process of aging?and take the necessary steps to resolve it. If you are one of the millions of people suffering from eyestrain, you will discover that, with few exceptions, most of the solutions to this problem are both simple and relatively inexpensive to achieve. With a copy of What You Must Know About Eyestrain in hand, you will be able to see your way to comfortable vision.