WHAT’S THE DIFFERENCE BETWEEN EYESIGHT AND VISION?

When individuals discuss their eyes, the terms "eyesight" and "vision" are frequently mentioned. However, many of them combine these two terms. The optometrist will clarify that eyesight and vision are distinct, but how exactly are they distinct? Here is a summary from our specialists.

Eyesight

As the term implies, eyesight refers to what the eyes can see. Vision can be affected by a variety of factors, including the quantity of light entering the eye through the pupil, the shape of the pupil, the structure of the eyeball, and the presence of a lens.

What Does This Mean?

According to the preceding description, eyesight refers exclusively to how the eye captures images. A doctor of optometry will be able to determine if both eyes are capable of capturing images flawlessly and will recommend the appropriate treatment if any issues are discovered. This leads us to the second term...

Vision

If eyesight refers to how well the eyes acquire images, then vision refers to how the brain interprets the information from the eyes. For instance, when viewing an object, your brain may concentrate on that object while filtering out other objects within your field of vision.

What Does This Mean?

Vision refers to the portion of seeing that occurs in the brain, so it encompasses more than just what you "see." Vision also enables you to determine how near or far away an object is and to use existing objects as reference points for its location. If you have poor vision, spectacles or contact lenses can help your eyes produce clearer images, thereby improving your vision.

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