You have 20/20 vision if you can spot the triangles hidden in the picture in 15 seconds

Can you spot all the triangles in 15 seconds? Daily Express :: News Feed

You have 20/20 vision if you can spot the 11 animals hidden in the faces

Brainteasers like this one are a great way to stimulate the mind in a fun and informative way. Daily Express :: News Feed

Brainteasers are a great way to pass the time and test the mind to its limits through a series of tests. Daily Express :: News Feed

This mind-boggling brainteaser challenges you to spot the odd carrot out – can you prove that you have 20/20 vision? Daily Express :: News Feed