Why were monocles so popular if they only corrected vision in only one eye? - Quora

Why Do People Wear A Monocle? – Monocle Madness™

How can we perceive depth even with only one eye? - Quora

Why do monocles exist, and also how do they stay on? I mean, glasses were made before Monocles, and arguably they are the better lens, so why were they made? - Quora

Why were monocles so popular if they only corrected vision in only one eye? - Quora

Why did people wear monocles in the past? - Quora

How is a monocle held in place? - Quora

Why do I feel like I only look with one eye when I have two eyes? - Quora

Why would someone need a monocle instead of glasses? - Quora

Why don't we just have one big eye in the center instead of two eyes? - Quora

How can we perceive depth even with only one eye? - Quora