I had initial Lasik surgery 4 months ago. Any suggestions?

Since the procedure my vision was blurred at dusk and in low light environments. After regular consultations with my surgeon he recommended a further Lasik session. It has now been 5 days since the repeat and I am not in a better position despite my surgeon being very optimistic. I am 57 years of age and had Lasik as I was slightly shortsighted. I know that everyone heals differently but surely my vision should now be a lot better?

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