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Related Experiment Videos

Converting to topical anesthesia in cataract surgery.

R J Uusitalo1, E L Maunuksela, M Paloheimo

  • 1Department of Ophthalmology, Helsinki University Central Hospital, Finland.

Journal of Cataract and Refractive Surgery
|March 18, 1999
PubMed
Summary

Topical anesthesia in cataract surgery offers acceptable pain control and patient satisfaction, though paraocular anesthesia provides superior analgesia. Surgeons converting to topical anesthesia should anticipate potential difficulties in approximately 40% of cases.

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Area of Science:

  • Ophthalmology
  • Anesthesia

Background:

  • Cataract surgery traditionally uses paraocular anesthesia.
  • Advancements allow for topical anesthesia, but its efficacy and surgeon experience require evaluation.

Purpose of the Study:

  • To compare complications and surgeon difficulties between paraocular and topical anesthesia during cataract surgery.
  • To assess patient pain and satisfaction with both anesthesia methods.

Main Methods:

  • Prospective randomized study of 300 eyes comparing topical (Group 1) vs. paraocular (Group 2) anesthesia.
  • Pain assessed via numerical scale; complications, visual acuity, and surgically induced astigmatism (SIA) were recorded.

Main Results:

  • Topical anesthesia had higher rates of anesthesia-related difficulties (40% vs. 4%) and perioperative pain compared to paraocular anesthesia.

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  • Paraocular anesthesia group experienced chemosis and hematoma; topical group had two cases of postoperative endophthalmitis.
  • Visual acuity and SIA outcomes were similar between groups; patient preference favored topical anesthesia.

    • Conclusions:

    • Paraocular anesthesia offers better analgesia, but topical anesthesia is acceptable for cataract surgery, enabling procedures without akinesia.
    • Surgeons converting to topical anesthesia may encounter difficulties in about 40% of cases.
    • Surgically related complications were comparable between the two anesthesia methods.