Can iris losing pigment after ICL cause visual disturbances?

I had the Visian ICL implanted in my left eye over a year ago. Just recently started having a white line in vision. Went to see doctor and was told it was from iridotomy but don't know why I am just now seeing it. She also told me I had a slit in my iris where pigment was gone. I have never been told that before. She said it could be from ICL rubbing iris, but was not too concerned. Is this light from the iridotomy or from the slit in my iris? Should I be more concerned and demand more answers?

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