I made the mistake of having bunch of columns, annotated images with captions, and tables everywhere that obsidian’s addons couldn’t really replicate the experience. For prep work around writing research papers, it’s probably easier to use than notion for sure.
Retina has mechanisms to flip different switches and go into high sensitivity mode. Changing the ISO, if you will. The pupils change consensually under normal physiological circumstances. Even with only one eye closed. If they don’t, you might want to go see a doctor!