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Intraoperative fundus inspection during surgery.

John Wong1,2, Sara Sella1, Ehud I Assia1,3,4

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|March 7, 2020
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Surgeons can now visualize the fundus during anterior segment surgery using a simple anterior chamber air bubble. This technique offers safe and effective intraoperative fundus inspection without extra equipment.

Keywords:
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Area of Science:

  • Ophthalmology
  • Surgical Techniques

Background:

  • Anterior segment surgery often limits direct visualization of the fundus.
  • Intraoperative assessment of the posterior pole can be crucial for surgical outcomes.

Purpose of the Study:

  • To introduce and describe a novel technique for intraoperative fundus visualization during anterior segment surgery.
  • To evaluate the safety and efficacy of using an anterior chamber air bubble for fundus inspection.

Main Methods:

  • A technique involving injection of an air bubble (occupying 50-67% of the anterior chamber) via existing corneal incisions.
  • Direct visualization of an upright fundus image by focusing downwards through the air bubble.
  • Demonstration through photographic and video documentation.

Main Results:

  • Safe and effective fundus visualization was achieved irrespective of the patient's lens status (phakic, pseudophakic, aphakic).
  • The technique allows for rapid inspection of the posterior pole and mid-peripheral fundus during any surgical stage.
  • No additional instrumentation is required.

Conclusions:

  • This air bubble technique provides a valuable tool for brief intraoperative fundus inspection.
  • It is particularly useful in cases with unusual light reflexes or following complicated anterior segment procedures.
  • The method enhances surgical assessment without the need for specialized equipment.