If you would like to say an extra thank you, you can do so by donating to the Royal National Institute of Blind People (RNIB), an organisation which gives fantastic support to people with sight loss.

I am an ophthalmologist doing clinical research who likes to play music, to cycle, and R.

Author and maintainer of the R packages "eye" and "eyedata" (both on CRAN) - built to promote ophthalmic research.

https://cran.r-project.org/package=eye