Should vision worsen after corneal transplant surgery?

Yes: Yes initially after transplant surgery your vision may be worse. Depending on the type fo transplant it may take anywhere from 3-12 months to recover.

Possibly : Vision may worsen after corneal surgery if the surgery is not successful. Uncorrected vision may also decrease until glasses or a contact lens can be fitted at 12 month after surgery. Ask your corneal surgeon to explain your current situation.