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