Drugs for the eye - Drugs for Glaucoma Flashcards
A group of diseases characterized by visual field loss secondary to optic nerve damage.
The glaucomas
In open-angle glaucoma, optic nerve injury develops _____•
gradually -over years
The cause of _____ _____is unknown.
•
nerve damage
In angle-closure glaucoma, there is blockage of ______ ___ ___ causing an abrupt rise in_____.
aqueous humor outflow, which causes an abrupt rise in IOP.
In the absence of treatment, of angle closure glaucoma, irreversible damage to the _____ _____occurs in __________
optic nerve
1-2 days
Major risk factor for angel closure glaucoma
elevated IOP
Drug therapy of open angle glaucoma is directed at
Reducing elevated IOP
Angle closure glaucoma is treated with drugs to rapidly reduce
IOP
Surgically angle closure glaucoma is treated by
Corrective surgery to allow aqueous humor outflow.
Drugs reduce IOP by either facilitating but with_____ _____ outflow or by reducing _____ _____ production.
Aqueous humor
Aqueous humor
Name the first line agents for topical therapy of open angle glaucoma
Beta blockers
Alpha2 adrenergic agonists
Prostaglandins
This topical beta blocker lowers IOP by decreasing aqueous humor reduction
Timolol
Can be absorbed in amounts sufficient to cause broncospasm, Bradycardia, and atrioventricular heart block .
Topical beta blockers.
Can increase brown pigmentation of the iris and intensify pigmentation of the skin around the eye.
prostaglandins