The night vision effect does not really help when you're are underwater fighting in the temple or simply underwater
MCPE-22846
Night vision underwater
Resolved
Works As Intended
0
(Unassigned)
Unconfirmed
Phone - Android - Motorola Moto G
Android 6.0
PotionEffect
1.1.1.51
Retrieved
I have the same problem. It's pretty irritant, but I also think Night-vision isn't for helping seeing underwater