I've been taking Lumigan for a while now, and I've been told that I
should take it at night, preferably at bedtime. But what I've never
gotten a clear answer for is *why* it needs to be at night? I thought
I'd be able to Google the answer, but I can't find any references.

Definition
Glaucoma is a group of diseases that can damage the eye's optic nerve. Due to illness of glaucoma there are maximum chances of vision loss and blindness. Glaucoma occurs when the normal fluid pressure inside the eyes slowly rises.
Glaucoma has been also called "the sneak ...