What is wrong with my eye lid? What treatment to seek? (photo)

My left eye lid/lid cheek is slightly swollen and retains that 'something' (water, fat?). Occasionally it becomes painful. I also get lots of pressure around my nose bridge, going upwards and sideways. My right eye looks completely normal.It's worth mentioning that I had septoplasty done in 2014 but started having the same problems again. This time I was told that I suffer from chronic inflammation of mucous membrane and that second septoplasty would be of no benefit to me.

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