The first step is to identify the triggers which can be shellfish, nuts, chocolates, caffeine,
alcohol and artificial sweeteners.
You can use a headache diary to identify the trigger for ovular migraines in your case.
Pharmacological treatment includes analgesics, Imitrex and cafergot to abort acute attacks. Biofeedback therapy is also known to help.
I would suggest you to discuss the treatment options with your ophthalmologist.