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Related Experiment Video

Updated: Jun 4, 2026

Correction of Presbyopia by Monocular Bi-Aspheric Ablation Profile
05:46

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Published on: September 20, 2024

Cycloplegic refraction using atropine minidrops.

W Noske1

  • 1University Eye Hospital, Klinikum Steglitz, Hindenburgdamm 30, W-1000, Berlin 45, Federal Republic of Germany.

Strabismus
|February 15, 2011
PubMed
Summary
This summary is machine-generated.

Minidrop atropine application for pediatric cycloplegic refraction may reduce the total drug dose. However, systemic reactions like increased pulse rate can still occur with both minidrop and standard atropine methods.

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Area of Science:

  • Ophthalmology
  • Pediatric Medicine
  • Pharmacology

Background:

  • Topical atropine is used for cycloplegic refraction in children.
  • Systemic reactions are a concern with atropine in pediatric patients.
  • Standard atropine application involves higher drug doses.

Purpose of the Study:

  • To compare cycloplegic refraction and pulse rate changes after minidrop versus standard atropine application.
  • To evaluate the safety and efficacy of reduced atropine dosage for pediatric cycloplegic refraction.
  • To determine if minidrop atropine can minimize systemic adverse effects in children.

Main Methods:

  • A comparative study involving 30 hypermetropic eyes in children aged 1-7 years.
  • Minidrop atropine (3 × 5 μl) applied with a calibrated pipette.
  • Standard atropine application (30-36 μl twice daily for three days) from commercial bottles.
  • Measurement of cycloplegic refraction and pulse rate at specified intervals.

Main Results:

  • Minidrop atropine resulted in a mean spherical equivalent 0.23 D lower than standard application.
  • A significant increase in pulse rate was observed in many children 90 minutes post-instillation for both methods.
  • Both minidrop and standard atropine applications showed potential for systemic effects.

Conclusions:

  • Short-term minidrop atropine application can be considered for pediatric cycloplegic refraction to reduce the overall atropine dose.
  • Careful monitoring for systemic reactions, such as pulse rate elevation, is still necessary.
  • Further research may explore optimized minidrop protocols to balance efficacy and safety.