Optical Illusion Eye Challenge: Within 9 Seconds Spot the Number 33 and 38 among 83

At first glance, the optical illusion seems like a simple sequence of numbers, repeated in a predictable pattern. However, it quickly becomes clear that something isn’t quite right. Within this seemingly uniform grid of 83s, two numbers—33 and 38—are cleverly concealed, testing your ability to break visual patterns and spot hidden details. In this article, we’ll explore why this optical illusion is so challenging, how our brains process visual patterns, and tips to improve your spotting skills for similar puzzles.

Why Is This Optical Illusion So Difficult?

At first, the image may seem easy to understand. After all, it’s just rows of the same number, 83, repeated over and over. But the challenge lies in how your brain processes this information. Once it recognizes the repeated pattern, it naturally assumes that all the numbers are the same, and this assumption can make it difficult to spot the variations.

What Makes Pattern Recognition Challenging?

Humans are wired to spot patterns quickly. In many cases, this helps us make decisions faster and conserve mental energy. When we see something like “83, 83, 83,” our brain expects to see more of the same and doesn’t take time to check every individual detail. This mental shortcut, while useful in everyday life, can work against us in puzzles like this, where our eyes are tricked into overlooking subtle changes.

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How Does Our Brain Process Patterns and Visual Information?

The brain’s visual processing system is constantly working to simplify what we see, making it easier for us to understand the world around us. When we look at something like a grid of 83s, our brain quickly identifies the repeating pattern and fills in the rest of the information automatically.

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How Does This Optical Illusion Test Your Focus and Attention?

This puzzle might look like it measures how well you see things but it really checks if you can concentrate and notice small details. Regular IQ tests look at how you think through problems logically. This type of visual challenge works differently because it helps you pay better attention & think more flexibly. The real test is whether you can keep focusing without letting your mind wander on autopilot, which often makes people overlook important information.

How to Spot Hidden Numbers Faster: Tips for Optical Illusions

While this puzzle is designed to be tricky, there are strategies you can use to sharpen your observation skills and improve your chances of spotting hidden numbers in similar challenges. Here are some practical tips that can help:

  • Break the grid into smaller sections: Rather than scanning the entire grid at once, try breaking it down into smaller sections. This forces your brain to focus on specific areas rather than letting the overall pattern take over.
  • Focus on digit mismatches: Instead of looking for whole numbers that stand out, focus on digit mismatches. Look for small differences in the individual digits, especially the ones that deviate from the common pattern.
  • Change your viewing distance: Try leaning in closer to the image or stepping back a little. Shifting your perspective can trick your brain into seeing the numbers differently.
  • Blink and restart your scan: Blinking and restarting your scan helps you reset your visual assumptions, allowing you to approach the puzzle with a fresh perspective.
  • Scan diagonally: Instead of glancing at the whole grid in one go, try scanning diagonally or in patterns that go against the usual row-by-row reading. This strategy will disrupt the automatic assumptions your brain makes.

What’s the Solution to the Optical Illusion?

If you have not found both 33 and 38 yet there is no need to worry. We will go through the solution together & show you exactly where to look for them. The key to solving this puzzle is to scan the image carefully and systematically. Many people miss these numbers because they blend in with the surrounding elements or appear in unexpected places. Start by dividing the image into sections and examining each area thoroughly. The number 33 might be positioned in a different orientation than you expect. Sometimes numbers are rotated or placed vertically instead of horizontally. Look for the distinctive shape of the double threes. The number 38 can be equally tricky to locate. It may be hidden among other visual elements or camouflaged by similar colors and patterns. Pay attention to areas where numbers might overlap with other design features. Take your time and avoid rushing through the search. Your eyes need a moment to adjust and recognize the patterns. If you still cannot find them after a careful search try stepping back from the screen or adjusting your viewing angle. Sometimes a fresh perspective makes hidden elements suddenly visible. Remember that these visual puzzles are designed to challenge your observation skills. Not finding the numbers immediately does not mean anything negative about your abilities. Everyone has different strengths when it comes to visual perception.

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Where Are 33 and 38 Hidden?

The number 33 is hidden in the upper-right area of the grid. Look closely at the numbers near the top-right corner to find this tricky intruder. The number 38 appears in the lower-left section and subtly breaks the otherwise uniform pattern of 83s. Focus your attention on the bottom-left corner where the 38 hides in plain sight.

Why Does This Optical Illusion Work?

This puzzle taps into our brain’s natural tendency to make assumptions. When we see a repeated pattern, our brain automatically assumes the entire grid is identical, which is why the hidden numbers are so difficult to find. This kind of illusion is effective because it challenges our brains to step out of autopilot mode and forces us to focus on minute details rather than patterns.

How Does It Relate to IQ Tests and Cognitive Warm-ups?

Optical illusions like this are often used in IQ tests and cognitive training exercises. While they don’t directly test intelligence, they do require a certain level of focus, patience, and attention to detail—all skills that are valuable in problem-solving and cognitive tasks. This type of exercise helps to improve brain function by encouraging you to stay alert and aware of your surroundings, which can be useful in many other areas of life.

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Final Thoughts on Optical Illusions and Observation Challenges

Optical illusions like this one are a fun and challenging way to test your attention and focus. While they may seem simple at first, the hidden details can be surprisingly hard to spot, especially when they exploit the brain’s natural tendency to rely on pattern recognition. By practicing these techniques and learning how to break patterns, you can sharpen your observation skills and improve your ability to notice subtle changes in your environment.

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Author: Ruth Moore

Ruth MOORE is a dedicated news content writer covering global economies, with a sharp focus on government updates, financial aid programs, pension schemes, and cost-of-living relief. She translates complex policy and budget changes into clear, actionable insights—whether it’s breaking welfare news, superannuation shifts, or new household support measures. Ruth’s reporting blends accuracy with accessibility, helping readers stay informed, prepared, and confident about their financial decisions in a fast-moving economy.

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