Optical Illusion Eye Test: Find the Hidden Letter In 7 Seconds!

Nov 1, 2025, 17:14 IST

Optical Illusion Eye Test: A letter is hidden in the image in plain sight, and only the sharpest eyes can spot it in 7 seconds. Can you? Test your eye power now!

Find Hidden Letter in 7 Seconds
Find Hidden Letter in 7 Seconds

Optical illusions are mind-bending images that have become popular among netizens in the last decade.

These challenges test your perception and visual skills, helping scientists understand how our brain processes visual information.   

Optical illusions can enhance cognitive abilities and stimulate creative thinking. 

Practising such challenges regularly helps improve memory and sharpen problem-solving skills.

Do you want to test your visual skills?

Then attempt this challenge now!

Also read: 

Spot 5 Differences in This Singing Girl Picture in 37 Seconds!

Optical Illusion Eye Test: Find Hidden Letter in 7 Seconds

Find the hidden letter

Source: Brightside

In the brightly coloured image above, a grid of deep blue circles is visible.

Also present in the grid are some light blue circles.

Besides the circles, a letter is hidden in the grid.

The readers need to find the hidden letter within 7 seconds.

This is a test of your visual skills.

Are you ready for it?

Great!

Your time starts now!

Check the image carefully.

Only the most observant readers stand a chance of solving this challenge within the time limit.

Are you one of them?

Scan all the areas of the image attentively, emphasising the finer details.

Hurry up; the clock is ticking.

And…

Time’s up.

Stop looking now!

Which letter did you see?

Readers who spotted the hidden letter within 7 seconds deserve a huge round of applause for their sharp visual skills. 

Some of you might still be scratching your heads, looking for the answer.

Do not look anywhere else; check out the solution below.

Also read: 

IQ Test: Only 3% with 140+ IQ can solve this math puzzle in 3 seconds!

Optical Illusion Eye Test: Solution

The hidden letter can be identified by following the path of the light blue circles.

Find the hidden letter solution

It is the letter E.

If you loved this optical illusion challenge, do share it with your family and friends and see who solves it the fastest.

Before you leave, don't forget to try some more challenges from our recommended reading section below.

Recommended Reading

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Only someone with 20/20 vision can find the lemon in the picture in 5 seconds!

Mrigank Chakraborty
Mrigank Chakraborty

Deputy Manager

Mriganka Chakraborty is currently serving as a Deputy Manager, Content at Jagran Josh. He has 7+ years of stellar experience in crafting engaging articles for a global audience. He is a recognised Expert in Pop Culture Puzzles (Optical Illusions, IQ Tests, 'Spot the Difference', Personality Tests). Mriganka also writes authoritative content on Sports and Science topics. His work is trusted by millions worldwide and makes learning addictive and fun. He is fond of non-fiction novels and action and thriller movies.

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