1. Number of people with glaucoma worldwide;Quigley;Br J Ophthalmol,1996
2. [2] Drake MV, Lierberman MF, Stamper R. BeckerShaffer's diagnosis and therapy of glaucomas. 7th edn. St Louis: Mosby Inc, 1999.
3. The ocular hypertension treatment study: a randomized trial determines that topical ocular hypotensive medication delays or prevents the onset of primary open-angle glaucoma;Kass;Arch Ophthalmol,2002
4. [4] Danias J, Podos SM. Comparison of glaucomatous progression between untreated patients with normaltension glaucoma and patients with therapeutically reduced intraocular pressures. The effectiveness of intraocular pressure reduction in the treatment of normal-tension glaucoma. Am J Ophthalmol 1999;127(5):623-5.
5. The advanced glaucoma intervention study (agis), 7: the relationship between control of intraocular pressure and visual field deterioration;Investigators;Am J Ophthalmol,2000