You have pituitary microadenoma most likely prolactinoma considering your symptoms
You need to continue cabergoline once a week and get your vision checked with mri brain every 6 months to see if the Adenoma has increased or is compressing the optic nerve
Next Steps
Do consult a neurosurgeon / neurologist at the earliest
Health Tips
Also for your headache you can use tablet naxdom 500 mg twice a day for 3 days
Continue cabergoline