Do we know anything about photo-sensitivity and LED lighting: a reader asks
Every now and again an email drops into the inbox that really cannot be ignored; not that I ignore emails […]
I can see clearly now . . . thanks
Maybe its because I have yet another birthday in a few days time and the numbers are starting to get […]
Deep-red light improves eyesight in older people says new research from UCL
A new study from University College London (UCL) is suggesting that people of a certain age could improve their eyesight […]