Glaucoma Yi Dai. MD. PhD Associate Professor Eye ent hospital ydai@fudan.edu.cn 复旦大学附厲眼耳鼻喉科医院
Glaucoma Yi Dai, MD, PhD Associate Professor Eye & ENT Hospital ydai@fudan.edu.cn
Epidemiology 2nd leading cause of blindness worldwide 60 Million people worldwide may be affected by glaucoma in 2010 One Third (20 million)may be Chinese By 2020- estimated to be 24 million Est. 10 million undiagnosed glaucoma cases in rural China Higher prevalence of ACG among Chinese Compared with data before 2000, incidence of OAG has increased 5-fold. while acg remain the same 复旦大学附厲眼耳鼻喉科医院
• 2nd leading cause of blindness worldwide • 60 Million people worldwide may be affected by glaucoma in 2010 – One Third (20 million) may be Chinese – By 2020 – estimated to be 24 million – Est. 10 million undiagnosed glaucoma cases in rural China – Higher prevalence of ACG among Chinese – Compared with data before 2000, incidence of OAG has increased 5-fold, while ACG remain the same Epidemiology
Intraocular pressure (IOP) Normal range 10-21mmHg 24h fluctuation <-8mmH g Inter-eye difference <= 5mmHg Glaucoma usually associated with IOP elevation 复旦大学附厲眼耳鼻喉科医院
Intraocular pressure （IOP） • Normal range 10~21mmHg • 24h fluctuation <= 8mmHg • Inter-eye difference <= 5mmHg • Glaucoma usually associated with IOP elevation
Tonometry 角膜和压平头刚接 触时反光的半圆环 复旦大学附厲眼耳鼻喉科医院
Tonometry
Aqueous Humor Dynamics IOP=F/C+EVP Aqueous humor circulation Trabecular outflow Uveoscleral outflow 复旦大学附厲眼耳鼻喉科医院
Aqueous Humor Dynamics IOP=F/C+EVP • Aqueous humor circulation – Trabecular outflow – Uveoscleral outflow