Walmart is recalling 850,000 water bottles after two people suffered permanent vision loss trying to open them. Customers reported being hit in the face with the lid when opening the Ozark Trail brand stainless steel bottles.

Walmart is recalling about 850,000 stainless steel water bottles because the lid can “forcefully eject” and unexpectedly strike consumers — resulting in permanent vision loss for two people to date.

The lids on the 64-ounce stainless steel bottles can eject and strike consumers, two of whom reported permanent vision loss as a result, safety regulators said.