The Blue Jays are already betting big on Vladimir Guerrero Jr. long after the laser eye surgery in Miami, and now the real question is whether better vision can help bring back the hitter who punished pitchers during the 2025 playoffs.
Toronto paid Guerrero Jr. $40M this year for what he had already done before the surgery.
They still owe him $455M for what comes next. If the Blue Jays are going to get back to the postseason in 2027, they need him to look more like the middle-of-the-order force fans saw in the playoffs and less like the version who struggled through this season.
When word spread that Guerrero Jr. had undergone eye surgery at a laser eye center in Miami, optimism followed fast.
“Massive offseason update. Our goat will be back in a big way 2027 👀👀👀 pic.twitter.com/DtdJ7GcLNB”
The appeal is obvious: if his eyesight improves, maybe the swing does too. But the evidence on LASIK and MLB hitters is thinner than fans might hope.
The most complete look at it came in a 2025 SABR study, “The Impact of Laser-Assisted In Situ Keratomileusis (LASIK) on MLB Batting Performance by M.P. Geiss and David Portney (not the Barstool guy with the similar name, though Portney is a fellow Michigan Wolverine though an ophthalmology resident).”
That study found a positive effect, but not one that rose to statistical significance. And even with some rebound after surgery, hitters did not get all the way back to their performance from two years earlier - the benchmark that would matter most for Guerrero.
The sample wasn’t tiny, but it wasn’t exactly overwhelming either. The study tracked 44 hitters from 1996 to 2022, and the broad pattern was pretty clear: performance dropped in the year before surgery, then improved afterward, but not enough to call the turnaround definitive.
The most surprising wrinkle was that slugging seemed to benefit more than strikeouts or walks. Plate discipline barely budged.
That matters for Guerrero because his biggest issues this season weren’t subtle. His chase rate climbed from 21.5% to 30.6%, and his barrel rate fell from 12.2% to 6.9%. If surgery changes anything, the study suggests it may help the bat produce more damage rather than suddenly clean up the swing decisions.
There are reasons to be cautious, though. Guerrero’s down season may have had more to do with a bad back, anxiety and depression than with his eyesight. There also hasn’t been much information about the surgery itself or how severe his vision issues were beforehand.
Still, hitting against premium velocity and nasty spin with only a sliver of a second to decide on a swing is no joke. Better vision probably won’t hurt.
The best anecdotal success story cited is Wilson Ramos, who had LASIK before the 2016 season and then turned in an All-Star year, with his OPS jumping from .616 to .850. Ramos said he swung at everything before the surgery and saw much better afterward.
Some fans have also pointed to Max Muncy’s improvement last season after getting glasses, but that’s not really the same thing. Muncy had near-perfect acuity and used glasses to correct a one-eye astigmatism, while also making swing adjustments. That’s a different fix from laser surgery for a broader refractive issue.
Guerrero’s age lines up with the study too. The average player in the research was 27 at the time of surgery, the same age as Guerrero. And if his recovery follows the same general pattern, the expectation would be some bounce in 2027 - just not necessarily a full return to form.
For now, all eyes will be on Guerrero when the 2027 season opens, especially after his comments about his contract. He’ll be trying to move past a difficult 2026 with better vision in front of him.
Whether that turns into a real difference at the plate is the part nobody can know yet.
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