复旦大学：《眼科学》课程教学课件（英文，Ophthalmology）VitreoretinalDiseases 玻璃体视网膜疾病

Vitreoretinal diseases 玻璃体视网膜疾病 常青 Shanghai Eye ENT Hospital Fudan University

Vitreoretinal Diseases 玻璃体视网膜疾病 常 青 Shanghai Eye & ENT Hospital Fudan University

How Your Eye Works Your eye is like a camera: both have openings 切尽收眼底 for light to enter, lenses to focus the light, and film" for registering images The vitreous, a clear gel fills the inside of the eyeball natomy of the eye The retina. a delicate sheet of light-sensitive The cornea is film, " receives the light ht to pass into your eye The macula the central part processes de tailed vision Pupil Retina The iris-the The optic nerve colored part of transmits the image to the brain, whic your eye-con trols the amount blends each eyes of entering light mage together into by changing the a single pict size of the open- ng(pupil) The lens focuses on the retina. since Optic nerve is soft and flexible. it changes shape to bend

一切尽收眼底

Vitreous diseases - ITo see the invisible

Vitreous diseases  To see the invisible

Anatomy and physiology Structure 999oH20 1%o Collagen hyaluronic acid Vitreous cortex Out surface of v In contact with the inner structures like

Anatomy and physiology Structure 99% H2O 1% Collagen & hyaluronic acid Vitreous cortex: • Out surface of V • In contact with the inner structures like…

Vitreous base

Vitreous base

Vitreous diseases Floaters Posterior vitreous detachment(VD) Vitreous Hemorrhage

Vitreous diseases – Floaters – Posterior vitreous detachment (PVD) – Vitreous Hemorrhage

Age-related vitreous changes Liquifaction Syneresis PVD Posterior vitreous detachment Figure 10 10 Cuapohmns ef mwm perior wilms detachmen! fse keal

Age-related vitreous changes  Liquifaction  Syneresis  PVD – Posterior vitreous detachment

Floaters/PVD Signs Liquefied cavity Dot, line, membrane-like opacity Weiss ring*k Retinal tear Vitreous hemorrhage*x

Floaters/PVD  Signs – Liquefied cavity – Dot,line,membrane-like opacity – Weiss ring* – Retinal tear* – Vitreous hemorrhage*

Floaters/PVD a treatment Follow-up medication TCM Laser for RT

Floaters/PVD  treatment – Follow-up – medication  TCM – Laser for RT

Vitreous Hemorrhage Etiolog y Vascular Inflammations Trauma PVD other aMd

Vitreous Hemorrhage  Etiology – Vascular – Inflammations – Trauma – PVD – Other, AMD