Due to the irreversibility of macular disease, early diagnosis and treatment is critical. How do you find out? There is a simple way to test yourself, that is, to test yourself with the Amsler checker:
Test method
1. Put the checkered table at a distance of 30 cm at the horizon, and the light should be clear and average;
2. If there is presbyopia or myopia, it is necessary to wear the original glasses for testing;
3. Cover one eye with your hand and stare at the black spot in the center of the checkered table;
Repeat steps 1 to 3 to examine the other eye.
Test results:
All lines should be in complete, clear lines, with each square being the same size. If the straight lines of the grid are obscured by dark spots, distorted and deformed, it is recommended to go to a professional eye hospital.