Contrast test
Cover one eye at a time. Stay about 40 cm from the screen, wearing your usual glasses if you use them. Tap the smallest line in which you can still read the letters.
Quick, interactive tests, done right here, to help you notice signs of cataract. They do not replace an ophthalmologist's exam.
The tests are educational and do not provide a diagnosis. Only an ophthalmologist can confirm the presence of cataract and recommend treatment.
Cover one eye at a time. Stay about 40 cm from the screen, wearing your usual glasses if you use them. Tap the smallest line in which you can still read the letters.
Imagine driving at night. Look at the image and answer.
At night, do car and street lights look like this to you?
Look at the central dot with one eye at a time, 30 cm from the screen. Do the lines look straight, without blurred, bent or missing parts?
What do you notice?
Hold the device at a comfortable distance, wearing your usual glasses if you use them. What is the smallest sentence you read without effort?
Check what you have noticed lately.
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