This optical illusion eye test challenges you to spot the hidden letter E among a sea of number 3s. A tricky brain teaser, it tests your observation skills and cognitive ability. Optical illusions ...

A study from the University of São Paulo evaluated the effectiveness of 12 models and found that only one met the safety ...

Optical illusions challenge our perception, and today’s test is no different! A tricky visual puzzle asks you to spot the ...

A new study shows that astaxanthin supplementation can improve both acute and chronic digital eye strain in children.

Consider it your chance to have the first look at – and the last word on – all of Vogue’s content. Use precise geolocation ...

“The benefit of being able to link iPad with AVP is it will immediately give you the ability to use Apple Pencil as a gesture ...

Some illusions trick the brain into seeing movement where there is none, while others test our ability to identify hidden objects within a complex visual pattern. Today, we bring you an exciting ...

However, did you know you could be eligible for a free eye test on the NHS? Let’s take a look at who this could include in England and Wales. You can check to see if you are entitled to a free ...

However, did you know you could be eligible for a free eye test on the NHS? Let’s take a look at who this could include in England and Wales. You can check to see if you are entitled to a free ...