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terminology and guidelines for glaucoma ii - Kwaliteitskoepel

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3.3.1.1 - Category: ADRENERGIC AGONISTS 40-42<br />

Generics<br />

Tradenames<br />

Non-selective: Dipivefrin 0.1% Propine, Epinal, d-Epifrin, Glaucothil<br />

Epinephrine 0.25-2.0%<br />

Epinephrine<br />

Alpha-2 selective: Apraclonidine 0.5-1.0% Iopidine<br />

Brimonidine 0.2%<br />

Alphagan<br />

Clonidine 0.125 -0.5%<br />

Isoglaucon, Catapres, Glaucopres<br />

Aruclonin, Clonidophthal<br />

Action<br />

Non-selective: Decreases aqueous humor production<br />

Increases aqueous humor outflow<br />

Alpha-2 selective:<br />

Apraclonidine<br />

Decreases aqueous humor production<br />

Maximum effect: 4-5 hours<br />

Duration of effect: 12 hours<br />

Reduces IOP 25-39% as monotherapy<br />

Is additive to timolol<br />

Additivity to maximum medical therapy<br />

Brimonidine<br />

Clonidine<br />

Decreases aqueous humor production<br />

Increases uveoscleral outflow<br />

Duration of effect: 12h<br />

Reduces IOP up to 27% as monotherapy<br />

Selectivity <strong>for</strong> α 2 vs α 1 adrenoceptors is 1000/1. This selectivity<br />

results in no mydriasis <strong>and</strong> the absence of vasoconstriction.<br />

Decreases aqueous humor production<br />

Duration of effect: 6-12 hours<br />

Little effect on pupillary diameter or accommodation<br />

Dosage <strong>and</strong> administration<br />

Non-selective: Dipivefrin 0.1% 2 times daily<br />

Epinephrine 0.25-2.0%<br />

3 times daily<br />

Alpha-2 selective: Apraclonidine 0.5-1.0% 2-3 times daily<br />

Brimonidine 0.2%<br />

2 times daily<br />

Clonidine 0.125-0.5%<br />

3 times daily<br />

Indications<br />

Non-selective: Dipivefrin 0.1% 2 times daily<br />

Elevation of intraocular pressure in patients<br />

where the IOP can be deleterious <strong>for</strong> the<br />

preservation of visual function.<br />

Epinephrine 0.25-2.0%<br />

3 times daily<br />

The same<br />

Ch. 3 - 10 EGS

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