Yearly examinations to guard against conditions that cause blindness, most common of which is vitamin A deficiency. Cataracts are another common cause, with the risk increasing as one grows older. For many women, however, the most pressing eye problem is error of refraction, causing blurred vision, headaches, and even nausea. This can be easily treated with glasses or lenses. Laser treatments are now also available locally. If you have a family history of glaucoma, or if you have diabetes, it is even more important to have your eyes examined.