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Enhancing Ocular Drug Absorption

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Questions and Answers

What is the recommended time to wait between instillation of drops when using more than one topical ocular medication?

3 minutes

5 minutes (correct)

1 minute

10 minutes

How can patients prevent the loss of the drug reservoir after instillation of drops?

By blinking rapidly

By rubbing their eyes

By applying digital pressure at the medial canthus (correct)

By looking upwards

What is the effect of blinking on a drug's effect after instillation of drops?

It diminishes the drug's effect (correct)

It enhances absorption through the nasal mucosa

It has no effect on the drug

It increases the drug's effect

What is the role of the nasolacrimal pump mechanism in ocular drug absorption?

It forces fluid from the lacrimal sac into the nasopharynx, creating a negative sac pressure that empties the tear lake (B) Signup and view all the answers

What is the purpose of applying digital pressure at the medial canthus after instillation of drops?

To prevent emptying of the tear lake and reduce systemic toxicity by decreasing absorption through the nasal mucosa (B) Signup and view all the answers

How does the second drop affect the first drop if instilled without a 5-minute interval?

It may simply wash out the first drop (B) Signup and view all the answers

Enhancing Ocular Drug Absorption

Choose a study mode

Podcast

Questions and Answers

What is the recommended time to wait between instillation of drops when using more than one topical ocular medication?

How can patients prevent the loss of the drug reservoir after instillation of drops?

What is the effect of blinking on a drug's effect after instillation of drops?

What is the role of the nasolacrimal pump mechanism in ocular drug absorption?

What is the purpose of applying digital pressure at the medial canthus after instillation of drops?

How does the second drop affect the first drop if instilled without a 5-minute interval?

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