First of all try to reduce your screen time take breaks inbetween like every 20min take 20sec break..blink inbetween use systane ultra eyedrop 4times a day in the night use panthegel

Pl decrease your screen time as much as possible. Pl do eye exercises. Blink in between. Pl Hydrate your self.Refresh tears eye drops can be used.pl consult Ophthalmologist for further evaluation and treatment.

So you have dry eyes and reflex watering issues. Dry eyes is there because of the occupation you are in. And the reflex watering is due to your sinus issues as well as the dryness of the eyes which in turn can lead to watering. You need a complete analysis to quantify the dryness and tear production. In addition, the lid hygiene, eye muscle weakness test (convergence test) is needed. It is better to see a doctor before you change your eyedrops, as the dryness of the eye can be deeper than you think. There are other, methods to correct it as well. I know you are breastfeeding and may be difficult to see a physician right away but instead of suggesting eye drops without examing, it's better to show your eyes and get them thoroughly checked.