Authoritative Citations for Ophthalmology/eye surgeon's Procedures
Cataract surgery
https://www.mayoclinic.org/tests-procedures/cataract-surgery/about/pac-20384765?hl=en-US
https://www.aao.org/eye-health/diseases/what-are-cataracts?hl=en-US
https://www.ncbi.nlm.nih.gov/books/NBK559253/?hl=en-US
Lacrimal Sac Surgery / DCR (Dacryocystorhinostomy)
mayo clinic ref .https://www.mayoclinic.org/diseases-conditions/blocked-tear-duct/diagnosis-treatment/drc-20351375
NIH Reference: NIH’s peer-reviewed chapter on DCR and lacrimal sac surgery covers indications and outcomes.
Glaucoma
Mayo Clinic Reference: Mayo Clinic provides up-to-date info about glaucoma diagnosis, treatment, and outcomes.
https://www.mayoclinic.org/diseases-conditions/glaucoma/diagnosis-treatment/drc-20372846
AAO Reference: AAO offers expert articles addressing all aspects of glaucoma and patient care.