[devereaux]

One of my eyes has myopia. The other one is fine.

Did I play out too much as a pirate with an eyepatch?

Joke aside, the disease has many causes, and there is some genetic predisposition. It is too easy to blame it on the modern environment.

[graeme]

It clearly existed before the 20th century. I said it increased markedly, and researchers think this is linked to sun exposure.