Does a monitor light bar actually help?

Yes, by illuminating your desk documents at the same brightness as your screen, your eyes stop constantly adjusting between bright screen and dark desk. Most users report noticeably less fatigue within the first day.

What color temperature is best for computer work?

5000-6500K cool white during daytime for alertness. 3000-4000K warm white in the evening to reduce blue light exposure. Smart lamps that shift automatically throughout the day are ideal.

Best Desk Lamps for Reducing Eye Strain