Sports Vision Radio

A Faster Eye Is Not a Smarter One

A new systematic review and meta-analysis in Frontiers of Psychology pooled nine randomized controlled trials and 323 athletes to answer a deceptively simple question: what does stroboscopic visual training actually train? The headline is unambiguous — strobe training significantly shortens reaction time (moderate-to-large effect) but produces no significant improvement in decision-making ability. Dr. Laby maps these findings directly onto the Sports Vision Pyramid from Eye of the Champion: strobes are a powerful mid-pyramid stressor that degrades the visual signal and forces the brain to do more with less, earning legitimate reaction-time gains. But occlusion is not a decision tool — it doesn't teach an athlete to read a developing play, weigh options, and commit. That cognitive apex is exactly where the meta-analysis found nothing. The episode breaks down the precise dosing protocol, why the pyramid predicted this result, and how to use strobes correctly as one layer of a complete program rather than the whole program itself. EPISODE TIMESTAMPS: * [00:00] The Question — What Do Strobes Actually Train? * [00:27] The Headline — Reaction Time Yes, Decision-Making No * [00:44] The Protocol — Dosing That Works * [01:30] Why the Pyramid Predicted This * [01:52] Strobes as a Mid-Pyramid Stressor * [02:25] The One Exception — Experienced Athletes Only * [02:54] Strobe vs. Decision-Loading Training * [03:34] Near Transfer vs. Far Transfer * [03:56] How I Actually Use Strobes * [04:41] The Closing Lesson IN THIS EPISODE, YOU'LL LEARN: * Why strobe training significantly improves reaction time but not decision-making — and what that means for your program * The precise dosing protocol that works: 1–6 weeks, 1–2 sessions/week, ~10 minutes, low frequency (<10 Hz), low duty cycle (≤50%) * Why the Sports Vision Pyramid predicted this result before the data arrived * The one exception where decision-making improved — and why it's less impressive than it sounds * How strobe training (subtracting visual information) differs fundamentally from decision-loading training (adding cognitive demand under game conditions) * Why near transfer to reaction time doesn't guarantee far transfer to competition * How to position strobes correctly as one layer of a complete vision training program HELPFUL RESOURCES: * Sports Vision NYC [https://sportsvision.nyc/] * Connect with Dr. Laby on Instagram [https://instagram.com/sportsvisionnyc] * Pick Up a Copy of Eye of the Champion [https://training.sportsvision.nyc/eye-of-the-champion] * Download The Ultimate Sports Vision Guide for Athletes [FREE] [https://danlaby.mykajabi.com/guide] 👉 Don't forget to subscribe to Sports Vision Radio so you never miss an episode on the science of peak performance.

The Eyes That Saved the Play

Three extraordinary defensive plays in the first two days of June 2026 — Julio Rodríguez's backspin-defying contested catch, AJ Ewing's full-layout diving snag, and Jorge Barrosa's committed dive on a sharply angled ball — looked like pure athleticism. They were. But they were also pure vision. This episode breaks down the neuroscience operating behind each play: smooth pursuit versus predictive saccades, the decades-long outfielder routing mystery (OAC vs. LOT), gaze reacquisition under spin-driven trajectory change, and the predictive saccade research that explains how fielders commit their bodies to a point in space before the ball has finished telling them where it's going. Dr. Laby maps each play onto the Sports Vision Pyramid from Eye of the Champion and connects the science to the meta-analytic data from last week's episode. The visual capacities on display are specific, measurable, and — critically — trainable. EPISODE TIMESTAMPS: * [00:00] Three Plays, Three Visual Events * [01:01] Julio Rodríguez — Backspin Chaos, Contested Catch * [02:09] AJ Ewing — Diving Catch, June 1 * [03:31] Jorge Barrosa — Diving Play, June 1 * [04:29] What the Eyes Are Actually Doing * [04:53] Two Eye-Movement Systems in Competition * [06:31] The Outfielder Problem — OAC vs. LOT * [07:26] Backspin and Gaze Reacquisition * [08:21] Predictive Saccades — The Bounce Analog * [09:10] Eye of the Champion — The Predictive Visual System * [09:36] The Sports Vision Pyramid in Action * [11:00] What the Research Tells Us * [12:04] Training Implications for Fielding Programs * [12:33] The Takeaway IN THIS EPISODE, YOU'LL LEARN: * Why Julio Rodríguez's late adjustment on a backspin liner was a visual event, not a physical reflex * How the brain switches between smooth pursuit and predictive saccades — and why that transition determines the catch * The decades-long outfielder routing mystery: Optical Acceleration Cancellation vs. Linear Optical Trajectory * What Mann et al.'s predictive saccade research reveals about how fielders commit to a dive before the ball has finished telling them where it's going * How each play maps onto the Sports Vision Pyramid, from foundational optics to the apex of vision-to-action * Four specific, trainable capacities that a clinically grounded fielding vision program should address HELPFUL RESOURCES: * Sports Vision NYC [https://sportsvision.nyc/] * Connect with Dr. Laby on Instagram [https://instagram.com/sportsvisionnyc] * Pick Up a Copy of Eye of the Champion [https://training.sportsvision.nyc/eye-of-the-champion] * Download The Ultimate Sports Vision Guide for Athletes [FREE] [https://danlaby.mykajabi.com/guide] 👉 Don't forget to subscribe to Sports Vision Radio so you never miss an episode on the science of peak performance.

Stop Polishing the Base

Which visual skills actually predict athletic performance? It's the question I've spent my career chasing, and Frontiers in Physiology just published the most comprehensive answer yet. Yang and colleagues pooled twenty-two studies and 1,113 team-sport athletes across basketball, soccer, baseball, volleyball, handball, even polo, and ranked nine visual skills by how strongly each one tracks with on-field performance. I'll disclose my interest up front — this paper is built on the Sports Vision Pyramid I introduced in 2011, and it cites our work throughout. The results are decisive. The cognitive skills at the top of the pyramid — multiple object tracking, visual attention, visual search, choice reaction time — are the strongest discriminators of competitive level. The foundational hardware at the base — depth perception — barely moves the needle. And the most actionable finding: once base visual skills reach an adequate threshold for the sport, more polishing buys almost nothing. The leverage is higher up. This episode breaks down the full correlation hierarchy, explains the neuroscience behind the pyramid tiers, and walks through five specific ways to spend your training time based on what the data actually says. IN THIS EPISODE, YOU'LL LEARN: * Why multiple object tracking is the single strongest predictor of athletic performance (r = 0.54) — and depth perception is the weakest (r = 0.09) * The threshold concept: why your eyes need to be "good enough" for your sport, not extraordinary * How the ventral and dorsal visual pathways map onto the Sports Vision Pyramid tiers * Five actionable training priorities ranked by correlation strength — and why game-shaped drills transfer while abstract ones don't EPISODE TIMESTAMPS: * 00:00 — The Thousand-Athlete Question * 00:44 — Nine Skills Ranked * 01:37 — Cognitive Tier Dominance * 02:06 — Two Pathways, Two Tiers * 02:31 — The Threshold Concept * 02:58 — Five Training Priorities * 04:41 — Keep It Game-Shaped * 04:51 — Map, Not Guarantee HELPFUL RESOURCES: * Sports Vision NYC [https://sportsvision.nyc/] * Connect with Dr. Laby on Instagram [https://instagram.com/sportsvisionnyc] * Pick Up a Copy of Eye of the Champion [https://training.sportsvision.nyc/eye-of-the-champion] * Download The Ultimate Sports Vision Guide for Athletes [FREE] [https://danlaby.mykajabi.com/guide] 👉 Don't forget to subscribe to Sports Vision Radio so you never miss an episode on the science of peak performance.

The Eyes Arrive First What a Formula 2 driver, Victor Wembanyama, and an NBA rookie reveal about the visual secret of elite performance.

There's a moment in every high-speed sport where the difference between elite and merely good comes down to where and when an athlete looks. A new study in the Journal of Vision gives us the most complete picture yet of what that looks like at the limit of human performance — and the Western Conference Finals are providing a live, full-court demonstration alongside it. Researchers at the University of Helsinki tracked a professional Formula 2 driver's gaze through 15 maximum-effort laps at over 270 kph. What they found wasn't scanning or searching. It was pure anticipation: the eyes arriving at the corner exit before the foot hit the throttle, lap after lap, from the same physical points on the track. Out of 840 gaze events across 22 minutes of driving, only 12 — barely 1.4% — landed on peripheral scenery. This episode connects that finding to what's happening on the hardwood: Wembanyama's multi-object tracking through a double-overtime marathon, Dylan Harper's seven anticipatory steals, and OKC's bench stepping cold into full perceptual intensity. Different vehicles, same gaze. IN THIS EPISODE, YOU'LL LEARN: * Why expert drivers' eyes arrive at the corner exit before they touch the throttle * What the 1.4% peripheral-gaze finding reveals about elite anticipation * How multi-object tracking under fatigue explains Wembanyama's overtime dominance * Why steals are the clearest statistical proxy for anticipatory gaze in basketball EPISODE TIMESTAMPS: * 00:00 - The Eyes Arrive First * 00:40 - Inside The Racer's Gaze * 01:30 - The Pre-Throttle Saccade * 02:20 - Only 1.4% On The Scenery * 03:10 - Wembanyama's Visual Load * 04:25 - Harper Operates In The Future * 05:30 - The Bench As Perceptual Readiness * 06:45 - The Same Gaze HELPFUL RESOURCES: * Sports Vision NYC [https://sportsvision.nyc/] * Connect with Dr. Laby on Instagram [https://instagram.com/sportsvisionnyc] * Pick Up a Copy of Eye of the Champion [https://training.sportsvision.nyc/eye-of-the-champion] * Download The Ultimate Sports Vision Guide for Athletes [FREE] [https://danlaby.mykajabi.com/guide] 👉 Don't forget to subscribe to Sports Vision Radio so you never miss an episode on the science of peak performance.

The Strike Zone Is Exposing Baseball's Vision Problem

MLB's challenge system isn't just correcting calls — it's measuring human visual performance for the first time. 55%. That's the overturn rate on challenged ball-strike calls under MLB's new Automated Ball-Strike system. More than half the time a player or catcher challenges a call, the umpire got it wrong. Before piling on the umpires, consider what that number actually means. Every challenged pitch is, by definition, a borderline pitch — nobody wastes a challenge on a fastball down the middle. These are late-breaking sweepers, disappearing changeups, pitches clipping the lower edge of the zone. The hardest perceptual tasks in the game. And the overturn rate tells us exactly what vision science has always predicted: even experienced professionals fail on the pitches that most stress the visual system. This episode walks through why those specific pitches break human visual processing, why ABS just turned the strike zone into a vision lab, and the awkward contradiction at the heart of how baseball currently evaluates its officials. Plus the four-step framework I'd apply to umpire vision evaluation tomorrow if a club asked. IN THIS EPISODE, YOU'LL LEARN: * What the 55% overturn rate actually measures — and why it's not an indictment of umpires * Why late-breaking sweepers and low-zone pitches predictably break trajectory prediction and depth perception * The contradiction between how MLB evaluates player vision versus umpire vision * A four-step framework for sport-specific visual performance evaluation of officials EPISODE TIMESTAMPS: * 00:00 - The 55% Overturn Rate * 00:40 - Why Borderline Pitches Break Vision * 01:20 - Trajectory Prediction Failure * 02:00 - The Low-Zone Depth Problem * 02:40 - From Argument To Data Point * 03:25 - The Player–Umpire Contradiction * 04:05 - The Four-Step Framework * 05:15 - The Real Lesson HELPFUL RESOURCES: * Sports Vision NYC [https://sportsvision.nyc/] * Connect with Dr. Laby on Instagram [https://instagram.com/sportsvisionnyc] * Pick Up a Copy of Eye of the Champion [https://training.sportsvision.nyc/eye-of-the-champion] * Download The Ultimate Sports Vision Guide for Athletes [FREE] [https://danlaby.mykajabi.com/guide] 👉 Don't forget to subscribe to Sports Vision Radio so you never miss an episode on the science of peak performance.