You first need to discuss this with your hematologist. For a facelift I would insist on preopertive treatment. For upper lid blepharoplasty you might not need any.
Based on the info that you provided, it would be best if you see an ophthalmologist to make sure that the diagnosis is established and correct treatment is recommended.
You do have some residual fat pad herniation that could be improved. You also need more support of your lower eyelids which are bowed inferiorly. This may require additional canthal surgery for the added support. Find a surgeon who does frequent revision eyelid surgery for the...