青光眼损伤形成优选课件.ppt

1、What is Optic Nerve?“Cable“that transmit image signals to brainHigher IOP is the most important cause leading to the damagepressureOptic nerveWhat causes optic nerve injury in Glaucoma？Two causes:Mechanical forces(introcular pressure:IOP)and vascular forcesGlaucoma damage formation青光眼损伤形成青光眼损伤形成Ante

2、rior chamber:前房前房 Posterior chamber:后房后房 pupil:瞳孔瞳孔 Iris:虹膜虹膜Anterior chamber angle:前房角前房角 Cornea:角膜角膜 ciliary body:睫状体睫状体3rd Ophthalmoscopy眼底镜Have family members with glaucomaA series of test performed by your eye doctor will help to determine whether you have glaucoma or likely to develop glaucoma

3、.3rd Ophthalmoscopy眼底镜A series of test performed by your eye doctor will help to determine whether you have glaucoma or likely to develop glaucoma.If water cant flow easily through the opening in the pupil,the iris pushes forward and blocks the drainage holes.Who is most likely to get glaucoma?If yo

4、u are diagnosed with glaucoma,your doctor will set a treatment cycle based upon your medical needs.Glaucoma:the conceptHowever,with early treatment,you can often protect your eyes against serious vision loss.Symptoms include severe eye or brow pain,redness of the eye,decreased or blurred vision.Bloc

5、ked Drainage holesFamily history,hyperopia,myopia(nearsightedness),previous eye injury,low blood pressure,diabetes,long exposure to cortisone家族史、远视近视眼、外伤史、低血压、糖尿病、激素长期使用The angle between the iris and the cornea is normal,but the drainage holes get clogged from the inside.When this drainage of the fl

6、uid gets blocked,excess pressure is formed leading to GlaucomaExercise may be beneficial as it:Family history,hyperopia,myopia(nearsightedness),previous eye injury,low blood pressure,diabetes,long exposure to cortisone家族史、远视近视眼、外伤史、低血压、糖尿病、激素长期使用Will I go blind because of glaucoma?Normal drainGlauco

7、ma damage formation青光眼损伤形成青光眼损伤形成Normal Drainage Picture正常房水流出通道正常房水流出通道The meshwork 小梁网小梁网 is the eyes drainThe Ciliary Body睫状体睫状体 When this drainage of the fluid gets blocked,excess pressure is formed leading to GlaucomaLensWhat causes optic nerve injuryThe damages are mostly caused by increased p

8、ressure of water-aqueous humor(房水）in the eyeTunnel vision管状视野Normal vision2nd Tonometry眼压计However,with early treatment,you can often protect your eyes against serious vision loss.Lowers eye pressureThe 4th Affiliated Hospital of China Medical UniversityHalo around lightsIf you have no risk factors f

9、or glaucoma*Does diet,exercise,or changein behaviors help?Every 4 yearsHave family members with glaucomaTobacco can worsen the disease.anterior chamber angleTrabecular meshwork becomes less efficient at draining aqueous humor.The purpose of treatment is to prevent further loss of vision.Halo around

10、lightsFamily history,hyperopia,myopia(nearsightedness),previous eye injury,low blood pressure,diabetes,long exposure to cortisone家族史、远视近视眼、外伤史、低血压、糖尿病、激素长期使用Classification on MechanismExercise may be beneficial as it:Closed-angle Glaucoma Aqueous Fluid Normal Drainage:good flow正常房水流出通道正常房水流出通道The Ci

11、liary Body睫状体睫状体 When this drainage of the fluid gets blocked,excess pressure is formed leading to Glaucomaanterior chamber angle前房角前房角The meshwork 小梁网小梁网 is the eyes drainNormal drainBlocked Drainage holesThe angle is narrower than normal.If water cant flow easily through the opening in the pupil,t

12、he iris pushes forward and blocks the drainage holes.anterior chamber angle前房角前房角Closed-angle Glaucoma闭角型青光眼闭角型青光眼Closed-angle glaucomaOpen Angle Glaucoma开角型青光眼开角型青光眼Clogged Drainage holesThe angle between the iris and the cornea is normal,but the drainage holes get clogged from the inside.anterior

13、chamber angle前房角前房角Open Angle GlaucomaVision loss Tunnel vision管状视野管状视野Red eye,pain in the eye,眼痛、睫状充血眼痛、睫状充血Halo around lightsBlurred vision 视物模糊视物模糊SYMPTOMSGlaucoma:Symptoms 症状症状虹视虹视Normal vision 正常视野正常视野Reduced side vision,central vision intact周边视野局限缺损周边视野局限缺损Tunnel vision管状视管状视野野Must be treated

14、as a medicalemergencysee your ophthalmologist immediately.Halo around lightsOptic nerveIt is your vision,and therefore its your responsibility to maintain itTunnel vision管状视野Intraocular pressure(IOP)builds up,which leads to damage of the optic nerve.Your doctor can prescribe treatment for glaucoma,b

15、ut only you can make sure to put your eye drops regularly（患者自己保证按时用药）anterior chamber angleEvery 4 yearsBlocked Drainage holesHow is glaucoma treated?Blocked Drainage holesHalo around lightsThe meshwork 小梁网 is the eyes drainIntraocular pressure(IOP)builds up,which leads to damage of the optic nerve.

16、Reduced side vision,central vision intactReduced side vision,central vision intactPrevious eye injury.3rd Ophthalmoscopy眼底镜What causes optic nerve injuryTunnel vision管状视野The damages are mostly caused by increased pressure of water-aqueous humor(房水）in the eyeGlaucoma:Diagnosis1st History and General

17、Examination2nd Tonometry眼压计眼压计4th Perimetry视野计视野计3rd Ophthalmoscopy眼眼底镜底镜Eye drops PillsLaser surgeryEye operationsCombination methodTreatment OptionsRegular eye examinationsRegular intake of medications as instructed by the eye doctorsTherefore,you should have It is your vision,and therefore its yo

18、ur responsibility to maintain itImproves blood flow to the optic nerve.Therefore,you should haveDo not stop taking or changing your medications without first consulting your doctor(不能私自改变用药）1st History and General ExaminationFrequent eye examinations and tests are critical to monitor your eyes for a

19、ny changes（定期检查）However,with early treatment,you can often protect your eyes against serious vision loss.Have family members with glaucomaIf you have no risk factors for glaucoma*Therefore,you should haveThe meshwork 小梁网 is the eyes drainEvery 2 yearsClosed-angle glaucomaAnterior chamber:前房 Posterio

20、r chamber:后房 pupil:瞳孔 Iris:虹膜The 4th Affiliated Hospital of China Medical UniversityYour doctor can prescribe treatment for glaucoma,but only you can make sure to put your eye drops regularly（患者自己保证按时用药）Clogged Drainage holesHave diabetes（糖尿病）Tunnel vision管状视野Every 2 yearsThe 4th Affiliated Hospital

21、 of China Medical UniversityYour doctor can prescribe treatment for glaucoma,but only you can make sure to put your eye drops regularly（患者自己保证按时用药）If water cant flow easily through the opening in the pupil,the iris pushes forward and blocks the drainage holes.Glaucoma:SymptomsFamily history,hyperopi

22、a,myopia(nearsightedness),previous eye injury,low blood pressure,diabetes,long exposure to cortisone家族史、远视近视眼、外伤史、低血压、糖尿病、激素长期使用The damages are mostly caused by increased pressure of water-aqueous humor(房水）in the eyeReduced side vision,central vision intactBlocked Drainage holesGlaucoma:DiagnosisRed

23、uced side vision,central vision intactWhen this drainage of the fluid gets blocked,excess pressure is formed leading to GlaucomaPrevious eye injury.Frequent eye examinations and tests are critical to monitor your eyes for any changes（定期检查）Previous eye injury.Tunnel visionTobacco can worsen the disea

24、se.Regular intake of medications as instructed by the eye doctorsTunnel vision3rd Ophthalmoscopy眼底镜Under 45 years old:If you have no risk factors for glaucoma*“Cable“that transmit image signals to brainA series of test performed by your eye doctor will help to determine whether you have glaucoma or

25、likely to develop glaucoma.Exercise may be beneficial as it:Tunnel vision1st History and General ExaminationTunnel vision管状视野The meshwork 小梁网 is the eyes drainOpen Angle GlaucomaTherefore,you should haveWhen this drainage of the fluid gets blocked,excess pressure is formed leading to GlaucomaThe 4th

26、 Affiliated Hospital of China Medical UniversityTreatment OptionsReduced side vision,central vision intactHowever,with early treatment,you can often protect your eyes against serious vision loss.Have family members with glaucomaTunnel visionEye operationsNormal drainIf you have no risk factors for g

27、laucoma*Glaucoma damage formationIf water cant flow easily through the opening in the pupil,the iris pushes forward and blocks the drainage holes.Frequent eye examinations and tests are critical to monitor your eyes for any changes（定期检查）Tunnel vision管状视野anterior chamber angleThe meshwork 小梁网 is the

28、eyes drainFamily history,hyperopia,myopia(nearsightedness),previous eye injury,low blood pressure,diabetes,long exposure to cortisone家族史、远视近视眼、外伤史、低血压、糖尿病、激素长期使用Reduced side vision,central vision intactImproves blood flow to the optic nerve.How can I find out if I have glaucoma?The angle between the

29、 iris and the cornea is normal,but the drainage holes get clogged from the inside.If you have no risk factors for glaucoma*Under 45 years old:However,with early treatment,you can often protect your eyes against serious vision loss.Glaucoma is a lifetime disease(青光眼为终身性疾病)Tunnel visionIf you are diag

30、nosed with glaucoma,your doctor will set a treatment cycle based upon your medical needs.Reduced side vision,central vision intactPrevious eye injury.Open Angle GlaucomaAnterior chamber:前房 Posterior chamber:后房 pupil:瞳孔 Iris:虹膜Tunnel vision管状视野Reduced side vision,central vision intact3rd Ophthalmosco

31、py眼底镜Therefore,you should haveTreatment OptionsHalo around lightsTunnel visionanterior chamber angleThe 4th Affiliated Hospital of China Medical UniversityWill I go blind because of glaucoma?Eye operationsIf you have no risk factors for glaucoma*Anterior chamber angle:前房角 Cornea:角膜 ciliary body:睫状体T

32、obacco can worsen the disease.Every 2 yearsGlaucoma damage formationOpen Angle GlaucomaHalo around lightsTwo causes:Mechanical forces(introcular pressure:IOP)and vascular forcesAqueous Fluid Normal Drainage:good flowRegular eye examinationsanterior chamber angleTunnel vision管状视野2nd Tonometry眼压计anter

33、ior chamber angleReduced side vision,central vision intactThe Ciliary Body睫状体 Reduced side vision,central vision intactFrequent eye examinations and tests are critical to monitor your eyes for any changes（定期检查）Every 4 yearsHave diabetes（糖尿病）Tobacco can worsen the disease.2nd Tonometry眼压计If you have

34、no risk factors for glaucoma*Reduced side vision,central vision intactReduced side vision,central vision intactHalo around lightsGlaucoma:the conceptWhen this drainage of the fluid gets blocked,excess pressure is formed leading to GlaucomaFamily history,hyperopia,myopia(nearsightedness),previous eye

35、 injury,low blood pressure,diabetes,long exposure to cortisone家族史、远视近视眼、外伤史、低血压、糖尿病、激素长期使用Family history,hyperopia,myopia(nearsightedness),previous eye injury,low blood pressure,diabetes,long exposure to cortisone家族史、远视近视眼、外伤史、低血压、糖尿病、激素长期使用Family history,hyperopia,myopia(nearsightedness),previous e

36、ye injury,low blood pressure,diabetes,long exposure to cortisone家族史、远视近视眼、外伤史、低血压、糖尿病、激素长期使用Two causes:Mechanical forces(introcular pressure:IOP)and vascular forcesEye operationsClogged Drainage holesThe meshwork 小梁网 is the eyes drain“Cable“that transmit image signals to brainEvery 4 yearsTake steroid medication（使用激素）How is glaucoma treated?Tunnel vision管状视野Take steroid medication（使用激素）