Welcome to HCM!
I have gone through your question and from my clinical experince I can say that you are having severe attacks of
migraine, but now it also lead to loss of vision for some time. It is not unuaual to see such cases and the investigations are usually with in normal limits, even the vision test when down after the headache, will come normal. So thee is usually no permanet eye damage. These are the neurological symptoms of migraines, like
dizziness,
vertigo, vision problems, even seizures in rare cases.
I would advice you that as the intensity of migraines are increasing, please start taking some treatment for prophylaxis. This will help to reduce the intensity of attacks, later the frequency will also reduce and you might not get any attack altogether. the treatment usually last for 4-6 months, but there can be individual variations. it is a long treatment, but I can tell you that it will be worth going for in cases like yours.
So, please see a doctor and get the prophylactic treatment.
Hope the reply helps you
feel free to ask more questions
Dr. Manisha Gopal.