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Related Experiment Videos

Atonic pupil after cataract surgery

K C Golnik1, P W Hund, D J Apple

  • 1Department of Ophthalmology, Storm Eye Institute, Medical University of South Carolina, Charleston, USA.

Journal of Cataract and Refractive Surgery
|March 1, 1995
PubMed
Summary
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Atonic pupil, a dilated and nonreactive pupil, can occur after cataract surgery. This condition is more common than previously thought and should be disclosed to patients before surgery.

Area of Science:

  • Ophthalmology
  • Surgical Complications

Background:

  • Extracapsular cataract extraction with posterior chamber intraocular lens implantation is a common procedure.
  • Pupillary abnormalities can occur postoperatively, necessitating thorough investigation.

Observation:

  • Three patients developed atonic pupil (dilated, nonreactive pupil) two weeks after uncomplicated cataract surgery.
  • Initially, pupils were normally reactive one day postoperatively.

Findings:

  • A survey of 567 ophthalmologists revealed 60% had encountered atonic pupil cases in the past five years.
  • A total of 1543 cases were reported, suggesting a higher incidence than previously recognized.
  • The condition may be underreported due to minimal visual disturbance.

Implications:

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  • Atonic pupil is a potential complication of cataract surgery.
  • This finding necessitates inclusion in preoperative patient consent discussions.
  • Further research into the etiology and management of post-cataract surgery atonic pupil is warranted.