Podcast
Questions and Answers
Which of the following is NOT affected by topical β blockers?
Which of the following is NOT affected by topical β blockers?
- Intraocular pressure (i.o.t.)
- Pupil size (correct)
- Tone of ciliary muscle
- Outflow facility
Why are ocular β blockers designed to be lipophilic?
Why are ocular β blockers designed to be lipophilic?
- To increase aqueous formation
- To avoid corneal hypoesthesia
- To reduce systemic effects (correct)
- To increase systemic effects
What is the likely mechanism behind the reduction in ocular blood flow by β blockers?
What is the likely mechanism behind the reduction in ocular blood flow by β blockers?
- Blockade of β2 receptors in the ciliary epithelium (correct)
- Activation of adenylylcyclase
- Upregulation of β2 receptors
- Increased aqueous formation
What is a common systemic adverse effect associated with ocular β blockers?
What is a common systemic adverse effect associated with ocular β blockers?
How can systemic adverse effects of ocular β blockers be minimized?
How can systemic adverse effects of ocular β blockers be minimized?
What ocular side effect is generally mild and infrequent with β blockers?
What ocular side effect is generally mild and infrequent with β blockers?
What is the primary mechanism by which β blockers lower intraocular pressure (i.o.t.)?
What is the primary mechanism by which β blockers lower intraocular pressure (i.o.t.)?
Why are ocular β blockers preferred over miotics in current practice?
Why are ocular β blockers preferred over miotics in current practice?
What is a distinguishing characteristic of ocular β blockers that helps reduce systemic effects?
What is a distinguishing characteristic of ocular β blockers that helps reduce systemic effects?
Which of the following systemic adverse effects is commonly associated with ocular β blockers?
Which of the following systemic adverse effects is commonly associated with ocular β blockers?
How do systemic adverse effects occur in patients using ocular β blockers?
How do systemic adverse effects occur in patients using ocular β blockers?
Which population is at higher risk for experiencing life-threatening bronchospasm when using ocular β blockers?
Which population is at higher risk for experiencing life-threatening bronchospasm when using ocular β blockers?
