After glaucoma surgery, people should not eat food high in protein. Avoid one-time drink lots of water. Don't drink Caffeinated drinks. Don't eat food that is too greasy or spicy which may aggravate the glaucoma.
People who had glaucoma surgery should not take ginseng, American ginseng, Codonopsis, Ginseng supplements and blood circulation Yao materials, which may cause hypotony hyphema after glaucoma surgery. So they must be careful with their diet.
If you have got glaucoma surgery, you should avoid too oily and spicy food which may make the symptoms of glaucoma even worse. You should not drink too much water because it may make the eye pressure increased. And drinking too much coffee or tea will also lead to high eye pressure.