Both lenses fell out this week. The culprit was a tiny screw that unscrewed itself and then disappeared. It is particularly hard to find brown screws the size of mechanical pencil lead on a brown carpet with one eye squinted shut and the other with a lens held up to it.

But it is relatively easy to grope around for paperclips. Unfortunately this means you have Crazy Person glasses and also blurred flying giant paperclip shapes in your peripheral vision.