Fuel Injector help

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stevenage
2.0 TFSI, 2012, CDNC.
Trying to solve misfires; plugs, coils, compressions all good.

The below images are what my Audi specialist has found with my fuel injectors. I'm being told that the filter has disappeared from these parts, which apparently stop contaminant get into the injector/cylinders. First image compares a good one with mine, which has the issue.

Anyone seen this before and care to comment? Could this issue casue misfires? My choice at this stage is brand new injectors or repair of these, given the injectors themselves test results show spray at 100% of how they should.

IMG 20210616 WA00132

IMG 20210616 WA00152
IMG 20210616 WA00142