Neovascular Glaucoma Medication

Updated: Jan 15, 2019
  • Author: Hemang K Pandya, MD; Chief Editor: Hampton Roy, Sr, MD  more...
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Medication

Medication Summary

The most important medications include a regimen of topical steroids and atropine. Antiglaucoma medications include both topical and oral agents.

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Cycloplegic drugs

Class Summary

Paralyze ciliary muscle, preventing ciliary muscle spasm; provide pain relief; and decrease ocular congestion.

Atropine ophthalmic (Isopto, Atropair, Atropisol)

Acts at parasympathetic sites in smooth muscle to block response of sphincter muscle of iris and muscle of ciliary body to acetylcholine, causing mydriasis and cycloplegia.

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Steroidal anti-inflammatory

Class Summary

Decreases ocular inflammation.

Prednisolone acetate 1% (Pred Forte)

Treats acute inflammations following eye surgery or other types of insults to eye. Decreases inflammation and corneal neovascularization. Suppresses migration of polymorphonuclear leukocytes and reverses increased capillary permeability. In cases of bacterial infections, concomitant use of anti-infective agents is mandatory; if signs and symptoms do not improve after 2 days, reevaluate patient. Dosing may be reduced, but advise patients not to discontinue therapy prematurely.

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Alpha2-adrenergic agonists

Class Summary

Decrease IOP by reducing aqueous humor production.

Brimonidine (Alphagan)

Selective alpha2-receptor that reduces aqueous humor formation.

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Carbonic anhydrase inhibitors

Class Summary

By slowing the formation of bicarbonate ions with subsequent reduction in sodium and fluid transport, it may inhibit carbonic anhydrase in the ciliary processes of the eye. This effect decreases aqueous humor secretion, reducing IOP.

Dorzolamide (Trusopt)

Used concomitantly with other topical ophthalmic drug products to lower IOP. If more than one ophthalmic drug is being used, administer drugs at least 10 min apart. Reversibly inhibits carbonic anhydrase, reducing hydrogen ion secretion at renal tubule and increasing renal excretion of sodium, potassium bicarbonate, and water to decrease production of aqueous humor.

Acetazolamide (Diamox, Diamox Sequels)

Inhibits enzyme carbonic anhydrase, reducing rate of aqueous humor formation, which, in turn, reduces IOP. Used for adjunctive treatment of chronic simple (open-angle) glaucoma and secondary glaucoma and preoperatively in acute angle-closure glaucoma when delay of surgery desired to lower IOP.

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Prostaglandins

Class Summary

Used to reduce IOP in patients who are intolerant or resistant to other IOP-lowering medications. They are contraindicated in glaucomas in which inflammation is a prominent ocular finding.

Bimatoprost (Lumigan)

Prostaglandin analog that selectively mimics effects of naturally occurring substances, prostamides. Exact mechanism of action unknown but believed to reduce IOP by increasing outflow of aqueous humor through trabecular meshwork and uveoscleral routes.

Travoprost ophthalmic solution (Travatan)

Prostaglandin F2-alpha analog and selective FP prostanoid receptor agonist. Exact mechanism of action unknown but believed to reduce IOP by increasing uveoscleral outflow.

Unoprostone ophthalmic solution (Rescula)

Prostaglandin F2-alpha analog and selective FP prostanoid receptor agonist. Exact mechanism of action unknown but believed to reduce IOP by increasing uveoscleral outflow and facilitating conventional outflow through the trabecular meshwork

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Beta-adrenergic blockers

Class Summary

The exact mechanism of ocular antihypertensive action is not established, but it appears to be a reduction of aqueous humor production.

Levobunolol (AKBeta, Betagan)

Nonselective beta-adrenergic blocking agent that lowers IOP by reducing aqueous humor production.

Timolol maleate 0.5% (Timoptic, Timoptic XE, Blocadren)

May reduce elevated and normal IOP, with or without glaucoma, by reducing production of aqueous humor.

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