Think you have a sharp vision? Put your observation skills to the test with this mind-bending optical illusion! In this busy ...

YOU could have a high IQ if you can spot the real owl in time. Players will only have seven seconds to figure out this tricky optical illusion. This cute image shows two rows of adorable toy owls ...

PUT yourself to the test and see how quickly you can spot the ring in this Valentine’s Day brain teaser. If you can do it ...

Brain teasers are puzzles that need logical and analytical thinking to solve. These puzzles test lateral thinking ...

SPOTTING the playing cards is easy, but can you outsmart everyone and find the hidden joker in this optical illusion? Time to ...

It means that we've fine-tuned their prescription very closely to their optimal vision correction," Dr ... simple but effective tips: Follow the 20-20-20 rule: For every 20 minutes of screen ...

HERE is another fun brain teaser to test your eyesight and powers of logic. Everyone can see the ice skater on the rink – but only those with 20/20 vision and high IQ can spot the mistake in ...

It's a test for your sharpness ... Though it may appear to be impossible, those who have extraordinary vision powers can solve it in no time. Can you be a genius and accept the challenge?

Spot them all in just 9 seconds! Only those with eagle-eyed vision and quick perception can accomplish this feat. Are you ready to put your skills to the test? Focus on the two big tigers in the ...

Give your eyes a rest by following the 20/20/20 rule. For every 20 minutes staring at a screen or near task work, take 20 seconds to look in the distance at least 20 feet away. Blurred vision is a ...