I'm using dark mode provided by "HN Enhance" (A Firefox extension that enhances news.ycombinator website). Makes life a little easier. There are warnings about

I'm using dark mode provided by "HN Enhance" (A Firefox extension that enhances news.ycombinator website). Makes life a little easier. There are warnings about the `blue light' from some screens being harmful to the eyes. An optician told me recently that berries are healthy foods for our eyes.