To avoid wrist pains don’t keep your wrist midair, most of the time keep your wrist lying on something and relaxed, no wrist pains, coming from personal experience, about posture, sit slightly tilted back like in the chair you can sleep in and relax your spine while slightly lying on the chair with straight spine, and back pains gone too, same with neck, find something to rest your neck on comfortably and keep it relaxed, as for eyes, use yellow tinted glasses they help to transform sharp blue white light of the screen to greenish one which is comfortable for your eyes in long term, every advice coming from personal experience, also use this to not waste your hearing github.com/Digitalone1/EasyEffects-Presets