Is the sudden appearance of redness and swelling serious and what can be done to improve the coordination between eyes. (photos)

I am 25 yr old female & had a squint surgery 20 days back in both eyes, 2 muscles in one & 1 in other. I am using lubricating drops & drops for infection. recently the surgery site on the white part of eye has become extremely red, swollen, scratchy and has pricking pain than the previous weeks. Further, as I try to see towards sides it's very uncomfortable and painful. There is also a change in alignment And still my 2 eyes are not coordinating, I see with one eye only as before.

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