What’s your threshold for initiating treatment in patients with optic nerve cupping but normal IOP, normal visual fields, and borderline OCT findings?  

After 40 years+ of practice, I am much more aggressive, because I have followed patients for 20-40 years. I almost always eventually regretted waiting and watching. Glaucoma is like slow-growing cancers- treatment should be proportional to lifespan, but not an assumed algorithmic life span, but ba...