Board Glaucoma Flashcards
what is the prevalence of POAG ?
4times more in African American
what is the Prevalence of Angle closure?
Chinese population angle closure 3 times more than POAG
what component is more in aqueous humor than in blood ?
VitaminC ( ascorbate)
Why there is no protein and lipids in Aqueous humor ?
to enhances the light transmission
what is the trabecular meshwork pathway ?
TM–>inner wall of schlemm’s canal–>collector channels –>aqueous veins–> episcleral venous circulation
Uveascleral route or unconventional route?
iris–> uveal meshwork –> ciliary muscle –>connective tissue –> suprachoroidal space –>sclera
TM outflow?
Uveascleral out flow ?
TM outflow ( 70-95%) Uveascleral out flow (5-30%)
what is the most common sign in VF in POAG ?
what is the most common in normal tension G?
Nasal step
Paracentral