In some instances, the signs of certain Eye ailments can overlap with others. For example, watery eyes could be a sign of pink eye , allergic reactions, or a sty; likewise, light sensitivity may indicate a cataract, migraine, or chalazion . Resting your eyes may assist ease symptoms, but in general, if you’re experiencing severe or lasting ache, you need to name a physician instantly. About 21 million Americans have some kind of vision problem, according to a survey conducted by the Centers for Disease Control and Prevention . Exposure can cause you to get cataracts 8-10 years sooner than regular.