4 ms·

I understand why some users prefer the dark theme, but I never knew that some users can't use them. Can you elaborate on what you experience, and why a lighter

• Yizahi 8y ago
  Dark themes are indeed harder on my eyes, in any environment - daylight, evening, or complete darkness. I have myopia, -4 and astigmatism. With dark theme it feels like I have to constantly strain to discern letters while with white theme there is no such feeling. It's like several additional dioptres added to your vision. I use shells/terminals with dark theme but I change them from gray/green/yellow on black to 255 bright white on black and increase fonts by 2-3 points compared to regular text, then it kinda works and OS overall has white theme on other monitors at the same time.
• Stratoscope 8y ago
  Sure thing, I should have explained in my first comment. I have two problems with dark themes. One is that much of what I do on my computer will have light themes - websites, GIS software, Word and Excel, PDF documents, etc. It's hard on my eyes to switch back and forth between these and a dark themed editor - like walking in and out of a dark theater on a sunny day, over and over again. The other problem has to do with eye focus. The irises in your eyes stop down or open up to adjust for light or dark. Just like a camera lens, stopping down (reducing the aperture) can help with focus. A perfect lens can focus sharply at any aperture; a less perfect lens will focus better if you stop it down. Here are some interesting discussions on the topic: https://www.google.com/search?q=light+dark+themes+eye+focus https://www.google.com/search?q=light+dark+themes+eye+focus