If your vision has gotten cloudy, there's a good chance that you have developed cataracts. To make sure, you need to schedule an eye exam as soon as possible. If you get diagnosed with cataracts, don't wait for treatment. Without the proper treatment, your vision will continue to deteriorate. If you do have cataracts, it's a good idea to learn as much as you can about the condition. Here are four things you might not know about cataracts.