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Glaucoma Pathophysiology (Open Angle Glaucoma (primary glaucoma or…
Glaucoma Pathophysiology
Open Angle Glaucoma
primary glaucoma or secondary to previous cause (e.g. trauma)
usually block/interference with humour drainage into the canal of Schlemm through trabecular meshwork
Increased ocular pressure
compression of axons and vessels on posterior side of the eye ball
ischaemia
necrosis
vision loss
sleep disterbances
nausea
vomiting
nerve damage
nerve death
vision loss
nausea
vomiting
sleep disterbance
Closed Angle Glaucoma
change in the position of the iris
increased friction between iris and Trabecular Meshwork
with time, adhesion formed between iris and TM
no drainage of aqueous humour
IOP
compression of nerves and vessels
nerve damage
vision loss + systemic symptoms
nerve death
vision loss + systemic symptoms