Download - Anatomy of cornea copy
ANATOMY OF CORNEASudarsan
HUMAN EYE
INTRODUCTION•TRANSPARENT•AVASCULAR•WATCH GLASS LIKE STRUCTURE•FORMS ANTERIOR 1/6 TH OF OUTER FIBROUS COAT•REFRACTIVE POWER
+43 TO +44 dioptres
EmbryologySURFACE
ECTODERMMESENCHYME
EMBRYOLOGY.. CORNEAL EPITHELIUM- SURFACE
ECTODERM OTHER LAYERS- FIBROUS LAYER OF
MESENCHYME LYING ANTERIOR TO THE OPTIC DISC
DIMENSIONS
HISTOLOGY
HISTOLOGY.. EPITHELIUM BOWMAN’S MEMBRANE SUBSTANTIA PROPRIA DUA’S LAYER DESCEMET’S MEMBRANE ENDOTHELIUM CORNEAL ABRATION CORNEAL SCARRING
BLOOD SUPPLY AVASCULAR NOURISHMENT: TEARS AQUEOUS
HUMOUR LIMBAL
CAPILLARIES OXYGEN GRADIENT: FROM TEARS TO
AQUEOUS METABOLISM: AEROBIC : MAJOR ANAEROBIC :
MINOR
NERVE SUPPLY
NERVE SUPPLY..
LYMPHATICS IT’S DEVOID OF LYMPHATICS
TRANSPERANCY OF CORNEA DEHYDRATED STATE ABSENCE OF BLOOD VESSELS AND PIGMENTS
UNIFORM REFRACTIVE INDEX UNIFORM SPACING OF COLLAGEN FIBRES
FUNCTIONS ALLOWING TRANSMISSION OF LIGHT FOCUS THE LIGHT MAINTAINS STRUCTURAL INTEGRITY
OF GLOBE PROTECTION AGAINST INFECTION,
UV, NOXIOUS AGENT
CORNEAL OEDEMA MEGALOCORNEA (>13mm) MICROCORNEA (<9mm) CORNEAL ULCER ARCUS SENILIS - DEGENERATIVE KAYSER FLEISCHER RING
APPLIED…
DONATE EYES…
DONATE EYES…
THANK U
SPECIAL THANKS TO: N.SUDARSAN