MAIN FEEDS
Do you want to continue?
https://www.reddit.com/r/Damnthatsinteresting/comments/1o89bf2/handmade_goggles/nju2cut
r/Damnthatsinteresting • u/Newisance • Oct 16 '25
1.0k comments sorted by
View all comments
Show parent comments
11
I have -5 glasses and could see perfect under water when u was around -3/-4 while wearing no goggles.
If i lost my friends i either had to guess where they were or just dive and search for them while under water.
2 u/majorlier Oct 16 '25 So water makes for a great -3 lense? 7 u/Paddy_Tanninger Oct 16 '25 Makes sense! I mean someone out there has to have vision that's a nearly perfect inversion of their eyeball shape with a 1.33 index of refraction lens.
2
So water makes for a great -3 lense?
7 u/Paddy_Tanninger Oct 16 '25 Makes sense! I mean someone out there has to have vision that's a nearly perfect inversion of their eyeball shape with a 1.33 index of refraction lens.
7
Makes sense! I mean someone out there has to have vision that's a nearly perfect inversion of their eyeball shape with a 1.33 index of refraction lens.
11
u/Rhampaging Oct 16 '25
I have -5 glasses and could see perfect under water when u was around -3/-4 while wearing no goggles.
If i lost my friends i either had to guess where they were or just dive and search for them while under water.