CYCLOPLEGIC DRUGS

👨‍⚕️ Cycloplegic drugs paralyze the ciliary muscle, blocking accommodation (focusing) and dilating the pupil. Used in eye exams, treating uveitis, or managing amblyopia.

Common examples:

  1. Atropine (long-acting, 1–2 weeks)
    • Use: Amblyopia, uveitis.
    • Side effect: Dry mouth, blurred vision.
  2. Cyclopentolate (shorter, 24–48h)
    • Use: Pediatric exams, refraction.
    • Risk: Hallucinations in kids.
  3. Tropicamide (fast, 4–6h)
    • Use: Routine dilation.
    • Mildest side effects.
  4. Homatropine (moderate duration)
    • Use: Uveitis, post-surgery.

Precautions:

  • Avoid driving post-use.
  • Monitor IOP (glaucoma risk).
  • Children/elderly: Adjust doses.
  • Contraindicated: Narrow-angle glaucoma.