My husband was diagnosed with glaucoma - don't know which 'type'...he's 75...as of tonite he's going to be using Lumigan, 1 drop nightly and tomorrow the ophalmologist will run required tests. We've known this physician for years and have complete trust in him. He took care of both of my cataracts and I am very comfortable, however with regard to treating glaucoma would it be wise to see a 'sub-specalist' (if there is such a category just for glaucoma) or can the 'general' opthalmologist be qualified enough for this condition? Thanks in advance for replies