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Revision Questions: Eye Drugs (Preview)

Sample Questions

  1. Counsel a patient on the proper method to instil eye drops.
  2. Differentiate between bacterial, viral and allergic conjunctivitis.
  3. For chronic open glaucoma, rearrange the following drugs of choice from first to last: topical carbonic anhydrase inhibitors, prostaglandin (PG) analogues, beta-blockers, alpha 2 agonists.
  4. What is the difference between mydriasis and miosis?
  5. Name some lubricant eye drops that contain a preservative.

Sample Answers

  1. Tilt head back, look up and pull down the lower eyelid to form a pouch. Avoid letting the tip of the eye drop touch the eyes. Put one drop into the pouch. Close your eyes and gently press against the inner corner of the eye with a finger (tear duct) for 3 minutes.
  2. Type of conjunctivitis depends on the symptoms and treatment:
    • Bacterial conjunctivitis (rapid onset, mucus discharge): use antibacterials. Usually self-limited and lasts for 2-3 days.
    • Viral infections (watery discharge, recent URTI): artificial tears and cool compresses.
    • Allergic conjunctivitis (water discharge, itching)
  3. First line: PG analogues; Second line: beta blockers; Third line: alpha2 agonists or topical carbonic anhydrase inhibitors.
  4. First line: PG analogues; Second line: beta blockers; Third line: alpha2 agonists or topical carbonic anhydrase inhibitors.
  5. Refresh Tears Plus, Refresh Liquigel, Genteal, Tears Naturale, Systane, Viscotears.

The full version has many more questions with answers included.

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