Episode 71

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Published on:

4th Mar 2026

The Hidden Cause of Performance Slumps (And Why You’re Probably Not Measuring It)

If you’ve ever watched a world-class athlete suddenly hit a wall, mechanics solid, conditioning strong, but performance drifting, you’ve likely seen visual fatigue in action.

In this episode, we unpack the hidden factor behind unexplained slumps and why what (and how) an athlete sees may be the first domino to fall.

Because here’s the truth: Every elite action starts with perception.

And when perception degrades, even slightly, performance can’t stay stable.

IN THIS EPISODE, YOU'LL LEARN:

  1. Performance starts with perception. If visual processing drops, performance follows.
  2. Visual fatigue is invisible and cumulative. It builds through stress, travel, and cognitive load.
  3. There’s a tipping point (~37%). After that, decline becomes measurable.
  4. Many slumps are misdiagnosed. It’s often physiology, not psychology.

EPISODE TIMESTAMPS:

  1. 00:43 - Symptoms Not Causes
  2. 01:23 - Brain Over Body
  3. 01:57 - Seeing Costs Energy
  4. 02:31 - Visual Fatigue Revealed
  5. 03:09 - The 37 Percent Rule
  6. 04:05 - Disguise and Cascade
  7. 05:10 - Reframing Performance
  8. 05:39 - Measure It or Miss It


HELPFUL RESOURCES:

  1. Sports Vision NYC
  2. Connect with Dr. Laby on Instagram
  3. Pick Up a Copy of Eye of the Champion
  4. Download The Ultimate Sports Vision Guide for Athletes [FREE]

👉 Don’t forget to subscribe to Sports Vision Radio so you never miss an episode on the science of peak performance.

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About the Podcast

Sports Vision Radio
Welcome to the podcast where vision meets performance.

Hosted by Dr. Daniel Laby, one of the world’s leading Sports Vision Specialists with over 30 years of experience working with professional, Olympic, and elite athletes across the globe.

This show is designed for athletes, coaches, parents, and performance-minded professionals who want to understand how the visual system, what you see and how your brain processes it, directly impacts your ability to compete at the highest level.

Each episode dives into the science and strategy behind visual performance: from reaction time and focus control, to decision-making speed, visual processing, and beyond. Whether you’re on the field, in the gym, or in the dugout, you’ll learn practical insights and cutting-edge methods to train your eyes and brain to work together, so you can play sharper, smarter, and faster.

Because seeing clearly is just the beginning. This is about vision that wins!

About your host

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Daniel Laby

Dr. Daniel M. Laby is a pioneer in sports vision science and the author of "Eye of the Champion: Unlocking the Power of Sports Vision for Peak Performance." He has 30+ years experience with elite and Professional athletes and has worked with multiple MLB World Series teams, NBA organizations, Olympic athletes, and numerous professional sports organizations worldwide. He has 8 World Series Championships as well as several other championships. He has been featured in the Wall Sreet Journal (2x), The New York Times, Sports Illustrated as well as NBC news, Fox, and several other radio and television programs. Red Bull made a full length documentary about his work with International Football/Soccer star Trent Alexander-Arnold.