Retinal function

Retinal function

Test your retina

Look at the image at the top from a distance of 30 cm. If you wear reading glasses, you should put them on first. Do the test with both eyes first, then with the left eye and the right eye separately. Answer the following questions:
Look at the image at the top. Can you see the small black square at the centre of the grid?
Fix your gaze on the square. Can you still see the whole grid?
Are all the lines of the grid parallel and black?
Repeat the test from time to time. If you answer No to one or more questions, you should consult an eye care professional immediately. It may be an indication of a pathological change to the retina.
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