Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. First there should be proper treatment for diabetes. life style change is required. for glaucoma medical and surgical treatment are available. oral tablet topical drop and surgery trabeculectomy iridotomy and bleb forming surgical procedure are available. let treating doctor decide the proper treatment suitable for patient. Hope I have answered your query. Let me know if I can assist you further.