A geometrical optical illusion is a type of puzzle in which lines, patterns, and figures mislead the brain about their actual perception. These optical illusions do not always seem correct as they ...

For the millions of people living with end‑stage kidney disease, hemodialysis is more than a medical procedure, it is a ...

For the Visual Perception test, in fact, there are many ways, but practising optical illusions in a daily routine improves ...