Macular Society : For support and information on macular disease
https://www.macularsociety.org
International Glaucoma Association: For support and information about glaucoma
http://www.glaucoma-association.com/
Test your peripheral vision:
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.
VERY IMPORTANT: Report any irregularity or sudden change to your eye doctor immediately.