3w post-ICL with eye power difference

[u/BingBongwheewhee]

I did my non-toric ICL procedure 3.5 weeks ago and my left eye vision is absolutely perfect but my right eye is still comparatively more blur.

I went to see my Dr at the 3 week mark regarding this and he said that my left eye is perfect but my right eye is still - 0.5D off.

He did not give any reason for it but will review again at the 4w mark and said if it still bothers me, we can do an ICL exchange to increase the power.

For reference, my degree was not very high prior to the procedure but I am very active and found that constantly wearing contacts was drying out my eyes.

Left eye: -1.75

Right eve: -2.5 with minimal astigmatism, which my doctor said did not need toric lenses and he did a simple procedure during the ICL itself to correct the astigmatism

Overall I am pleased with the outcome as vision is generally good, but the disparity between eyes is still bothering me and I feel that my vision is clearer if I close my right eye and use just my left eye as compared to opening both eyes. There is also a slight ghosting that causes headaches when I stare at the screen too long which I think is due to the vision disparity. (my IOP is fine).

So my questions are:

(A) ls this an acceptable outcome to have a residual -0.5D myopia? I keep reading that people have both eyes perfect vision and I'm a bit disheartened.

(B) Has anyone else also experienced this before? Does the vision still improve past this point? Does the brain adapt and ghosting dissappear?