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High-resolution Fiber-optic Microendoscopy for in situ Cellular Imaging

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The Retilight, a portable LED endo-illuminator.

Prithvi Chandrakanth¹, Shishir Verghese², Aishwarya Naik³

¹Department of Vitreoretina, Dr. Chandrakanth Nethralaya, Kozhikode, Kerala, India.

Indian Journal of Ophthalmology

|April 17, 2025

Summary

This summary is machine-generated.

This study introduces a 3D-printed portable light-emitting diode (LED) illumination system for vitreoretinal surgery. It offers a reliable alternative and supplemental light source, enhancing surgical visibility and safety.

Keywords:

3D printing backup illumination endo-illuminator portable small gauge vitrectomy

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Area of Science:

Ophthalmology
Medical Devices
Surgical Technology

Background:

Effective endo-illumination is critical in small-gauge vitreoretinal surgery for enhancing ocular structure visibility and minimizing risks.
Traditional xenon light sources for endo-illumination are being replaced by superior light-emitting diode (LED) alternatives due to higher intensity and reliability.

Purpose of the Study:

To present an innovative 3D-printed portable LED illumination system for vitreoretinal surgery.
To provide a reliable alternative and supplemental light source for contemporary vitreoretinal surgical equipment.

Main Methods:

Development of a 3D-printed portable illumination system.
Integration of the system with existing optical fiber cables used in vitreoretinal surgery.

Main Results:

The system offers a reliable alternative light source during emergencies like bulb failure or power outages.
The device serves as supplemental illumination, particularly beneficial with chandelier systems for bimanual procedures.

Conclusions:

The 3D-printed portable LED illumination system enhances safety and reliability in vitreoretinal surgery.
This innovation provides a versatile lighting solution for various intraocular surgical scenarios.