Second things second--Recently my sister and I learned that we both have oddly shaped optic nerves, which can be a sign of incipient glaucoma. And since glaucoma runs in families and our great-grandfather went blind from it, we have both been undergoing a battery of eye tests. Yesterday I finished my tests and was told so far, so good: in other words, no need to worry about turning into Milton yet. I'm sure all my amanuensi will be relieved to hear about this diagnosis.
And now, back to the books. . . .