The Amsler grid is a simple at-home tool that can help people with age-related macular degeneration (AMD) detect vision changes early. By checking one eye at a time for wavy lines, dark spots, or ...
Medically reviewed by Christine L. Larsen, MD Key Takeaways Visual distortions can cause blurry or wavy vision and should be checked by a healthcare provider.Sudden vision changes with pain or double ...