I had a terrible hair transplant one year ago, what can I do now? (photo)

You can speak with your surgeon about your disappointment and you will need an other transplant. You will have to decide if you should use the same doctor or another doctor if you lost faith, Sometime a person picks the wrong doctor.  We have written an outline on how to find a good doctor here: https://baldingblog.com/selecting-hair-transplant-doctor/