Optical illusions that require people to uncover concealed numbers in complex
forms or patterns are good puzzles and can boost IQ and visual acuity.
These visual puzzles need intense effort to distinguish virtually identical elements.
This process develops brain connections, improving detail detection in noisy environments.
Look attentively at the OOOs below to find the illusive 000.
The catch: you have 12 seconds to find it!
In a world full with distractions, learning to notice the smallest things is crucial.