Optical Illusion: Only 2% of People Can Tell Which Green Line Is Longer In 5 Seconds

Optical Illusion: Check your intelligence ability by figuring out which green line is longer within 5 seconds. Only 2% of people can correctly do so.

Optical illusion uses trick that makes it impossible to solve simple puzzle

Optical Illusion: Only 2% People Can Spot The Number 218 Within 5 Seconds.

Optical Illusion: Two Lines of Equal Length

16 Optical Illusions That Made Us Seriously Doubt Our Eyes / Bright Side

The neuroscience of optical illusions, explained - Vox

Only 1% of 'sharpest brains' can spot odd letter hiding in flurry of Ms in 11 seconds - Mirror Online

Optical Illusion: Can you tell which line is longer on this railway track in 10 seconds?

Optical Illusion: Can you spot the longer line on this railway track in 10 seconds?

Optical Society of America: Exploring the Science of Light - Optical Illusions

Apparently some people on Earth have reached a heightening or I'm a drab, cause I see three. : r/Cosmere

Only 2% of people can spot number 749 in this baffling brain teaser - Mirror Online

Daily Discovery: Optical Illusions & Color Vision - Fort Collins Museum of Discovery

Optical illusion: Can you find the numbers hidden in the picture? You only have 7 seconds! - Abmeyerwood