I recently got prescription glasses. I was the last hold out in my childhood family of 4, but driving around in a new city and squinting while attempting to read street signs wasn’t my cup of tea, so I caved. It’s not a strong prescription, but when I slipped on the metal frames and looked out across the horizon I was amazed at the clarity of the mountains here. I didn’t realize that the slightly blurry haze to their peaks was the result of my impaired vision, not their distance. On a clear day, when the sun shines down from a brilliant blue sky onto the mountains, the view is…