Before I got the e-ink screen, yes, more or less. At the peak I did little screen-based development and a lot of pen-and-paper maths. I thought I would have to give programming away, and retrained for a different job. I got the e-ink screen 1 year ago and since then have slowly started developing again.

I believe HN has a slightly wider demographic these days. Maybe we should have people fix a bug in some bash script everytime they log in :p

It is fair for you to think I assumed the poster was a software developer, but in fact I looked him up before I made my comment and that is how he makes a living. (Unless something has changed recently.) I am genuinely curious how people (he's not the only one I know of) with such high sensitivity to LCD screens manage a career where staring at such screens for prolonged periods is the norm.