Amsler Grid (above): Test for Macular Degeneration or other vision problems
If you are at risk for macular degeneration or other eye diseases, you can use this chart at home to monitor your vision. Note: Using the chart doesn't mean you should skip regular visits to your eye doctor, because you can easily miss signs that only a trained eye care practitioner will find.
How to test yourself with the Amsler Grid (above)
If you need reading glasses, please wear them while you use the Amsler grid. The grid should be at about the same distance from your eyes that any other reading material would be.
Cover one eye, then focus on the dot in the center.
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Do any of the lines look wavy, blurred or distorted? (All lines should be straight, all intersections should form right angles and all the squares should be the same size.)
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Are there any missing areas or dark areas in the grid?
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Can you see all corners and sides of the grid?
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Don't forget to test both eyes.
VERY IMPORTANT: Report any irregularity to your eye doctor immediately. You can mark areas of the chart that you're not seeing properly and take it with you to your eye exam.
Snellen:
For an online eye test using a Snellen chart, visit: http://library.thinkquest.org/C005949/fun/eyechart.htm.
