Instructions:
1. Hold your device at your reading distance, i.e. approx 40 cm from your eyes.
2. Make sure the room is well lit and screen brightness is comfortable.
3. Keep your glasses on if you normally wear them.
4. You will see some images with coloured dots. Each image has a hidden number.
5. Type the number you see in the box provided and click next. (If you can't see any number type 0)
6. At the end click on submit to view your result.
Note: Test should be performed monocularly. Begin by covering your left eye first, complete the test with your right eye then switch and repeat the test for the other eye.