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Glaucoma Introduction DR ANUPAMA .B
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Understand what is meant by glaucoma
How glaucoma affects the visual function Will learn about the mechanism of aqueous production Will understand the drainage mecahnism Will be able to schematically draw and understand the angle of anterior chamber DR ANUPAMA .B
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Characterised by Damage to retinal ganglion cells and axons
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Characterised by Intraocular pressure- normal/raised
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Characterised by Optic disc changes
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Characterised by Visual field defect
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Aqueous humor production by ciliary process
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Aqueous humor production by ciliary process
Diffusion Ultrafiltration Active transport DR ANUPAMA .B
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Rate of formation of aqueous
2.4ul/min DR ANUPAMA .B
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AQUEOUS PATHWAY EPISCLERAL VEIN COLLECTOR CHANNEL DR ANUPAMA .B
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MAINTENANCE OF IOP LOCAL FACTOR Rate of aqueous formation-
Permeability of capillaries Osmotic pressure of the blood Resistance to outflow Increased episcleral venous pressure GENERAL Heridity,age, diurnal variation, blood pressure DR ANUPAMA .B
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ANATOMY OF ANGLE OF ANTERIOR CHAMBER
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cornea SCLERAL SULCUS sclera DR ANUPAMA .B
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Decemets membrane Scleral spur DR ANUPAMA .B
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Ciliary body DR ANUPAMA .B
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CORNEA SCLERA IRIS CILIARY BODY DR ANUPAMA .B
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SCHWALBE S LINE –END OF DESCEMETS MEMBRANE UVEAL MESH WORK
TRABECULAR MESHWORK CORNEOSCLERAL JUXTA CANALICULAR SCHLEMMS CANAL SCLERAL SPUR CILIARY BODY BAND DR ANUPAMA .B
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SCHWALBES LINE TRABECULAR MESHWORK SCLERAL SPUR CILIARY BODY BAND
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ANGLE 4 40 DEGREE NIL SL-CBB 3 30 SL-SS 2 20 POSSIBLE SL-TM 1 10 HIGH
GRADE ANGLE CLOSURE STRUCTRE 4 40 DEGREE NIL SL-CBB 3 30 SL-SS 2 20 POSSIBLE SL-TM 1 10 HIGH SL CLOSED NONE DR ANUPAMA .B
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SL TM SS CBB 1 2 3 4 DR ANUPAMA .B
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SCHIOTZ INDENTATION TONOMETER
ASSESMENT OF IOP SCHIOTZ INDENTATION TONOMETER SCALE NEEDLE HOLDER WEIGHT PLUNGER FOOTPLATE DR ANUPAMA .B
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GOLDMAN APPLANATION TONOMETER
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