“Hindsight” is sometimes joked as “Heinzsight” (involving Heinz ketchup). “Pouring ketchup in my eyes was a mistake in Heinz sight” was posted on Twitter by IVESGAGS on February 10, 2011. “Getting ketchup in my eyes was a mistake but I guess Heinz sight is 20/20” was posted on Twitter by Patrick James on February 23, 2014.
 
“I put ketchup in my eyes today. In Heinzsight, it was a bad idea” was posted on Reddit—Dadjokes on November 4, 2017. “Why is it good to wash your eyes with ketchup? Because Heinzsight is 20/20” was posted on Reddit—Cleanjokes on July 29, 2019.
 
“I could see every ketchup bottle in the restaurant. Heinz sight is 20/20” and “Looking back, I wish I’d bought my baked beans online. Heinz site is a wonderful thing” are other Heinz “hindsight” jokes.
   
     
Wikipedia: Heinz Tomato Ketchup
Heinz Tomato Ketchup is a brand of ketchup produced by the H. J. Heinz Company (now Kraft-Heinz).
       
Twitter
IVESGAGS
@IVESGAGS
Pouring ketchup in my eyes was a mistake in Heinz sight.
10:06 AM · Feb 10, 2011·Twitter Web Client
 
Twitter
Whatevers Clever
@wittybigtwittys
in Heinzsight it was really tough to see with all that ketchup in my eyes
8:54 PM · May 29, 2011·Twitter Web Client
       
Twitter
Horrorscopes
@Horrorsc0pes
TAURUS: You realise you shouldn’t have squirted ketchup in your eyes, with the benefit of Heinz-sight.
5:19 AM · Jul 21, 2011·Twitter for iPhone
   
Twitter
Patrick James
@Rickredful
Getting ketchup in my eyes was a mistake but I guess Heinz sight is 20/20
2:57 PM · Feb 23, 2014·Twitter for Android
   
Twitter
Jake Palmer
@thisisbullshirt
I can actually see better with ketchup in my eyes, because Heinz sight is 20/20
10:32 PM · Jun 17, 2014·Twitter for Android
 
Reddit—Jokes   
Posted by u/TillYouScream October 11, 2016
Why are your eyes covered in ketchup?
I’m often asked by people: “Why are your eyes covered in ketchup?”
So I tell them it’s because Heinz sight is 20/20.
 
Google Groups: The Grif.net
12/21/16 Grif.Net - You Asked for More Kid Jokes
Dr. Bob
12/21/16
(...)
Why should you cover your eyes in ketchup?  Because Heinz sight is 20/20.
 
Twitter
Justin S. Williams
@jaywillyams
#Hindsight is 20/20, but Heinzsight is #ketchup in your eyes
3:44 PM · Jun 27, 2017·Twitter for iPhone
 
Reddit—Dadjokes
Posted by u/PackGetsSacks November 4, 2017
I put ketchup in my eyes today…
In Heinzsight, it was a bad idea  
COMMENTS  
qwerbnot
That mustard hurt.
       
Reddit—Puns
Posted by u/curiouselise April 5, 2018
I smeared some ketchup all over my eyes once. It was a bad idea in Heinz-sight.
 
Twitter
Duelly
@tisdue
One time i squirted ketchup in my eyes.  In Heinzsight, it was a bad idea.
12:21 AM · Nov 10, 2018·Twitter for Android
     
Google Books
The Jokiest Joking Puns Book Ever Written . . . No Joke!:
1,001 Brand-New Wisecracks That Will Keep You Laughing Out Loud
By Brian Boone
New York, NY: Castle Point Books
2019
Pg. 117:
I smeared some ketchup all over my eyes once.
It was a bad idea in Heinz-sight.
 
Reddit—Cleanjokes
Posted by u/honolulu_oahu_mod July 29, 2019
Why is it good to wash your eyes with ketchup?
Because Heinzsight is 20/20
COMMENTS
InexactDuplicate
I must pay you a sincere condiment for that- if I ketchup to the punch line.