Optical illusions are tricky images that test how we see and understand things. They help us understand how our brain handles ...

Visual illusions are images that play tricks with our eyes and brain. These puzzles are excellent for testing an individual's visual acuity. These mind-bending images challenge our perception and ...

Please provide your email address to receive an email when new articles are posted on . The Hadassah Self-Visual Acuity Screener demonstrated high reliability, accuracy and alignment with standard ...