A challenging optical illusion tests eyesight and concentration by hiding a number within a dizzying pattern. The article ...

If you think you have sharp eyesight and perfect colour vision, this challenge is just for you! Optical illusions and vision tests are fun ways to check how well your eyes perceive colours and numbers ...

A visual challenge, the 'Spot the 409' test, requires participants to find a single '409' amidst numerous '406's within seven ...

A tricky optical illusion hides the number 34 among rows of 24s, and only the sharpest eyes can spot it in under 7 seconds. Think you’ve got what it takes?, Health, Times Now ...

There are strict rules when it comes to driving and eyesight. You should not be driving unless you meet eyesight rules; you must wear glasses or contact lenses every time you drive if you need them to ...