Mostly only when we are sick we rush to the doctor. This is true with your eyes and your visit to an optometrist also. Ensure eye exam is done once in a year. This will prevent you from having to listen to any surprise or rather shocking news. Any problem related to the eyes is best to be treated with immediacy. Even if it is just short-sightedness or long-sightedness it is best to give attention in the very beginning. Well when you go for eye exam you are put through all the relevant and related tests which reveal any other defect with your eyes which can then be treated for the disease.
When you are forty years plus sooner or later you are bound to wear a pair of spectacles for reading. This is unavoidable with the exception that you can prefer contact lenses to spectacles. Cataract can also be detected at an early stage if you go for your eye exam once in a year. As persons with Diabetes are more prone to eye problems this test is done. Mostly when one goes for eye exam one realizes the fact that he is diabetic and needs to be treated.