Glaucoma TENTH PEOPLE'S HOSPITAL OF TONGJIUNIVERSITY WANG HAO
Glaucoma TENTH PEOPLE ’S HOSPITAL OF TONGJI UNIVERSITY WANG HAO
☒无法显示该图 片。 Definition Glaucoma refers to a group of diseases or syndrome,they share certain features,including cupping and atrophy of the optic nerve head, which has attendant visual field AREA nE BLOCKAGE loss and is frequently related to the Diagram shows blockage preventing natural drainage and causing an increase in pressure within the eye level of intraocular pressure (IOP) Visual field loss Atrophy of optic nerve head
Definition Glaucoma refers to a group of diseases or syndrome, they share certain features, including cupping and atrophy of the optic nerve head, which has attendant visual field loss and is frequently related to the level of intraocular pressure (IOP) Visual field loss Atrophy of optic nerve head
☒秀法显示该圈 The concept of IOP 608205 IOP:ocular contents acting on the eye wall Ocular contents aqueous,lens,vitreous,intraocular blood volume Physiological role:inflates the globe;constant curvature of the cornea ensure normal intraocular fluid circulation provides an optically clear medium to allow good visual function. Stable:Lens,vitreous,intraocular blood volume Unstable:aqueous humor (circulation dynamic balance can affect IOP
The concept of IOP ◼ IOP: ocular contents acting on the eye wall ◼ Ocular contents ： aqueous, lens, vitreous , intraocular blood volume Physiological role : inflates the globe; constant curvature of the cornea ; ensure normal intraocular fluid circulation ; provides an optically clear medium to allow good visual function. Stable: ： Lens, vitreous , intraocular blood volume Unstable:： aqueous humor (circulation dynamic balance can affect IOP )
☒秀法品示该留 Aqueous Humor Outflow 9pse以al Inflow aqueous humor (75%~85%)through anterior angle trabecular meshwork into Schlemm canal 10%~20%aqueous humor through uveoscleral flow 5%aqueous humor is absorbed by the surface of the iris
Aqueous Humor Outflow ▪ aqueous humor （75％～85％）through anterior angle trabecular meshwork into Schlemm canal ▪10％～20％ aqueous humor through uveoscleral flow ▪ 5% aqueous humor is absorbed by the surface of the iris
☒秀法显示该图 IOP↑ aqueous humor formation aqueous humor outflow increase normal decrease ↓ IOPt IOP IOP↑ Any factors that led to the outflow of aqueous humor formation and destruction of the balance can lead to increased intraocular pressure,causes glaucoma
IOP↑ aqueous humor formation aqueous humor outflow normal IOP Any factors that led to the outflow of aqueous humor formation and destruction of the balance can lead to increased intraocular pressure , causes glaucoma increase IOP↑ decrease IOP↑