![Group of children smiling.](/sites/default/files/styles/large/public/2024-02/Normal.png?itok=kvZM0ttr)
How Glaucoma May Affect Vision
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Normal Vision
![Group of children smiling.](/sites/default/files/styles/large/public/2024-02/Normal.png?itok=kvZM0ttr)
This is an example of normal vision. This is also an example of how someone sees during the beginning stages of open-angle glaucoma. Because there are no symptoms initially, regular eye examinations are very important.
Early Glaucoma
![Group of children smiling, but simulated to how one sees with early glaucoma.](/sites/default/files/styles/large/public/2024-02/Early.png?itok=jQyFFsIb)
Early symptoms may include a gradual and often imperceptible failing of side (peripheral) vision.
Advanced Glaucoma
![Group of children smiling, but blurry and dark around the edges simulating how one sees with advanced glaucoma.](/sites/default/files/styles/large/public/2024-02/Advanced.png?itok=ZIioEl8C)
During the advanced stages of glaucoma, only a small central area of vision remains. Eventually, damage to the optic nerve will result in total blindness.
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