Understanding The Eye Before Choosing An Eye Doctor

Did you ever realize that there are a lot of things that you do without knowing why you do them

? The same holds true with doing things without understanding how everything works. For instance, you drive a vehicle, but do you understand how it works? You use an oven probably on a daily basis, or a microwave, but do you understand how they work? Knowing how things work is actually important, as it can help you to understand what the problem might be when something goes wrong. The same is true of your body. While you may not have the time to learn how every nuance of your body works, it's a good idea to know how some of the most important parts work.

How Do the Eyes Work?

Before you choose an eye doctor, it would be a good idea to learn how your eyes work so that you'll know what the doctor is looking for during an examination. The first thing you should know is the names for the parts of the eye. There is the cornea, which is the very top of the eye and which covers it. The job of the cornea is to bend the light and images that come into your sight towards the retina. The lens is right behind the iris, the colored part of your eye, and its main job is to further bend the light so that it can better reach the retina. While every part of your eye is important, the retina is, perhaps, one of the most important parts. The retina is the inside back surface of your eye and is what converts the images that you see into data that the brain can understand. The cells that fill the retina are all light sensitive, which is why it has the ability to translate the light that you see into images. The optic nerve is right behind the retina and is what carries the images that you see to the brain.

Did you ever wonder why you can't see anything when it's pitch black out? That's because the retina needs light to transform the images that you're seeing to the brain. When its pitch black out and there is no light, the retina can't do the job it was made to do, and you can't see. So when do vision problems happen? There are a number of things that can cause you to have problems seeing. The most common is a corneal curvature, which causes a person to be near-sighted or far-sighted. These types of problems can be solved with corrective lenses or possibly with LASIK, depending on how severe your problem is. If you're interested in keeping your eyes as healthy as possible, choosing an eye doctor that is ready and willing to help you is a very important decision to make. Ensure, before you select one, that the doctor is covered by your insurance or that they're willing to work with you to help you to get affordable eye care.

by: Roger Ubik

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