The best foundation of good eye care is having a solid understanding of how your visual system works. Here, our expert eye doctor in Alexandria, VA, explains how your eyes work in detail.
Components of Your Eyes
Your eyes are some of the most fragile, yet complex sensory organs of your body. Here are the main components of your eyes:
- Cornea: This clear, dome-shaped structure covers the external portion of your eyes. It has a smooth and even surface to allow sharp image visualization.
- Pupil: This opening found in the middle of your eyes allows light entry.
- Iris: The iris is the colored part of your eyes. It controls the amount of light that enters your eyes, and regulates your pupil size.
- Lens: Located just behind your iris, your lens is a clear structure that focuses light on your retina.
- Retina: This is a thin layer of light-sensitive tissue found at the back of your eyes. It is primarily responsible for converting light into nerve signals.
- Optic Nerve: Your optic nerve transports the nerve signals produced by your retina to the brain’s occipital lobe for image interpretation.
How These Components Work Together
Our trusted optometrist in Alexandria, VA, explains that as you look at an object, light reflects off it and passes through your cornea. It then enters through your pupil, which, regulated by the iris, will grow larger or smaller depending on the amount of light. Your lens will then focus this received light onto the retinam, which will convert it into nerve signals. Finally, your optic nerve will carry these nerve signals to the brain for visual translation.
Ways to Maintain Your Visual Health
Every component of your eyes plays a significant role in ensuring your visual health. To keep your eyes healthy, We suggest eating eye-friendly foods like green, leafy vegetables and quitting sight-threatening practices like cigarette smoking to keep your eyes in good shape.
Most importantly, we advise seeing our eye specialists regularly. We can perform comprehensive eye exams to identify any underlying vision problems and provide prompt management. If we detect refractive errors, we may prescribe wearing eyeglasses or contact lenses in Arlington, VA.
For more information on how your visual system works, call us at (703) 291-0080. You may also complete our