This is an image to demonstrate visual 'crowding' and test peripheral vision. Ensure that the red dot in the centre of the image is at eye level and focus on it. While holding your focus on the ...

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A thin cornea is a risk factor for glaucoma. A visual field test, or perimetry, assesses your peripheral (side) vision. Loss of peripheral vision is often the first symptom of glaucoma ...

Q. What exactly does glaucoma do to your eyes? A. Glaucoma is defined as a group of diseases that can damage the eye’s optic nerve, which carries images from the eye to the brain.