I'm blind in one eye, so often I subconsciously only clean one lens. : r/mildlyinteresting
What happens when only one eye has a prescription? Do you only get one contact or a monocle? Do you get glasses with only one prescription lens? - Quora
Single Lens Sunglasses - Single Lens Sunglasses | Blenders Eyewear
Glasses vs. contacts: Differences and how to choose
Single vision lens hi-res stock photography and images - Alamy
Glasses Mirrored Narrow Single Lens Robot Futuristic Sunglasses Cosplay Costume