Beta Blockers in Ophthalmology

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Questions and Answers

Match the medication with its mechanism of action in treating glaucoma:

Timolol = Decrease production of aqueous humor Pilocarpine = Increase outflow Latanoprost = Increase outflow Dorzolamide = Decrease production of aqueous humor

Match the medication with its corresponding side effect:

Betaxolol = Ocular irritation Apraclonidine = Red eye Pilocarpine = Pain Latanoprost = Iris pigmentation

Match the medication class with its corresponding example:

B-antagonist = Betaxolol A2-agonist = Apraclonidine Cholinergic Agonist = Pilocarpine PGs-like analogues = Latanoprost

Match the medication with its family:

<p>Metipranolol = B-antagonist Brimonidine = A2-agonist Carbachol = Cholinergic Agonist Travoprost = PGs-like analogues</p> Signup and view all the answers

Match the medication with its systemic side effect:

<p>Betaxolol = Bradycardia Apraclonidine = Malaise Pilocarpine = None listed Acetazolamide = Nausea</p> Signup and view all the answers

Match the medication with its contraindication:

<p>Betaxolol = CI with asthma, COPD Apraclonidine = None listed Pilocarpine = None listed Dorzolamide = None listed</p> Signup and view all the answers

Match the medication with its mechanism of action:

<p>Timolol = Decrease production of aqueous humor Apraclonidine = Increase outflow Pilocarpine = Increase outflow Dorzolamide = Decrease production of aqueous humor</p> Signup and view all the answers

Match the medication with its ophthalmic side effect:

<p>Betaxolol = Ocular irritation Apraclonidine = Red eye Latanoprost = Iris pigmentation Pilocarpine = Increased myopia</p> Signup and view all the answers

What is the mechanism of action of Betaxolol in treating glaucoma?

<p>Decrease production of aqueous humor (A)</p> Signup and view all the answers

Apraclonidine is a cholinergic agonist.

<p>False (B)</p> Signup and view all the answers

What is the primary side effect of Pilocarpine?

<p>Pain and increased myopia</p> Signup and view all the answers

Latanoprost is a _______________ analogue.

<p>PGs-like</p> Signup and view all the answers

What is a common contraindication of metipranolol?

<p>Asthma (A)</p> Signup and view all the answers

Carbonic anhydrase inhibitors can cause renal stones as a side effect.

<p>True (A)</p> Signup and view all the answers

What is the mechanism of action of Brimonidine in treating glaucoma?

<p>Decrease production and increase outflow</p> Signup and view all the answers

Match the medication with its corresponding family:

<p>Timolol = B-antagonist Apraclonidine = A2-agonist Pilocarpine = Cholinergic Agonist Latanoprost = PGs-like analogue</p> Signup and view all the answers

Flashcards

Beta Antagonists

Betaxolol, carteolol, levobunolol, metipranolol, and timolol: decrease aqueous humor production.

Alpha-2 Agonists

Apraclonidine and brimonidine: Decrease aqueous humor production and increase outflow.

Cholinergic Agonists

Pilocarpine and carbachol: Increase outflow of aqueous humor.

Prostaglandin Analogs

Latanoprost, travoprost, and bimatoprost: Increase outflow of aqueous humor.

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Carbonic Anhydrase Inhibitors

Dorzolamide, brinzolamide, acetazolamide, and methazolamide: Decrease aqueous humor production.

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Beta Antagonist Contraindications

Asthma/COPD and CHF

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Alpha-2 Agonist Side Effects

Red eye, allergic reactions, malaise, and headache.

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Cholinergic Agonist Side Effects

Pain, increased pain, and increased myopia.

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Prostaglandin Analog Side Effects

Pain, iris pigmentation, and excessive eyelashes growth.

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Carbonic Anhydrase Inhibitor Side Effects

Transient myopia, nausea, diarrhea, loss of appetite, and renal stones.

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Study Notes

Beta Antagonists

  • Betaxolol, carteolol, levubunolol, metipranolol, and timolol are beta antagonist medications used to treat glaucoma.
  • Side effects include ocular irritation, contraindicated in asthma and COPD due to risk of bronchospasm, and contraindicated in CHF due to risk of bradycardia.
  • They work by decreasing the production of aqueous humor.

Alpha-2 Agonists

  • Apraclonidine and brimonidine are alpha-2 agonist medications used to treat glaucoma.
  • Side effects include red eye, allergic reactions, malaise, and headache.
  • They work by decreasing the production of aqueous humor and increasing outflow.

Cholinergic Agonists

  • Pilocarpine and carbachol are cholinergic agonist medications used to treat glaucoma.
  • Side effects include pain, increased pain, and increased myopia.
  • They work by increasing outflow.

Prostaglandin-like Analogues

  • Latanoprost, travoprost, and bimatoprost are prostaglandin-like analogue medications used to treat glaucoma.
  • Side effects include pain, iris pigmentation, and excessive eyelashes growth.
  • They work by increasing outflow.

Carbonic Anhydrase Inhibitors

  • Dorzolamide, brinzolamide, acetazolamide, and methazolamide are carbonic anhydrase inhibitor medications used to treat glaucoma.
  • Side effects include transient myopia, nausea, diarrhea, loss of appetite, and renal stones.
  • They work by decreasing the production of aqueous humor.

Beta Antagonists

  • Betaxolol, carteolol, levubunolol, metipranolol, and timolol are beta antagonist medications used to treat glaucoma.
  • Side effects include ocular irritation, contraindicated in asthma and COPD due to risk of bronchospasm, and contraindicated in CHF due to risk of bradycardia.
  • They work by decreasing the production of aqueous humor.

Alpha-2 Agonists

  • Apraclonidine and brimonidine are alpha-2 agonist medications used to treat glaucoma.
  • Side effects include red eye, allergic reactions, malaise, and headache.
  • They work by decreasing the production of aqueous humor and increasing outflow.

Cholinergic Agonists

  • Pilocarpine and carbachol are cholinergic agonist medications used to treat glaucoma.
  • Side effects include pain, increased pain, and increased myopia.
  • They work by increasing outflow.

Prostaglandin-like Analogues

  • Latanoprost, travoprost, and bimatoprost are prostaglandin-like analogue medications used to treat glaucoma.
  • Side effects include pain, iris pigmentation, and excessive eyelashes growth.
  • They work by increasing outflow.

Carbonic Anhydrase Inhibitors

  • Dorzolamide, brinzolamide, acetazolamide, and methazolamide are carbonic anhydrase inhibitor medications used to treat glaucoma.
  • Side effects include transient myopia, nausea, diarrhea, loss of appetite, and renal stones.
  • They work by decreasing the production of aqueous humor.

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