I hope someone with glaucoma can give you a better answer but I love to help. This is a link from health Canada's website for purported indications and clinical use. Page 6 - Information for Health Care Professionals: Marihuana (Marijuana, Cannabis) Dried Plant for Administration by Ingestion or Other Means: Psychoactive Agent [Health Canada, 2003] I would also talk to your Dr. about how marijuana helps you, he/she may have alternatives to marijuana which they may ask you to try.