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Heads-Up 3D Surgery under Low Light Intensity Conditions: New High-Sensitivity HD Camera for Ophthalmological

Celso Soiti Matsumoto^1,2,3, Masayuki Shibuya², Jun Makita²

¹Department of Ophthalmology, Teikyo University School of Medicine, Kaga 2-11-1, Itabashi-ku, Tokyo 173-8605, Japan.

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|December 31, 2019

Summary

Heads-up, three-dimensional (3D) imaging systems enable safe and effective intraocular surgeries even in low light conditions. This technology enhances surgical visualization, minimizing patient discomfort and glare during procedures.

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Area of Science:

Ophthalmology
Surgical Technology
Medical Imaging

Background:

Traditional intraocular surgeries rely on direct visualization through surgical microscopes, which can be limited by illuminance levels.
Low illuminance is often necessary to minimize patient discomfort and glare, but it can compromise surgical field visibility.
Three-dimensional (3D) imaging systems offer an alternative visualization method, potentially overcoming the limitations of traditional microscopy.

Purpose of the Study:

To assess the feasibility of performing intraocular surgeries using a heads-up, 3D imaging system under low illuminance conditions.
To evaluate the safety and efficiency of this approach for various intraocular procedures.
To determine patient tolerance to low illuminance during these surgeries.

Main Methods:

Seventy-four eyes of 56 patients underwent various intraocular surgeries (cataract, glaucoma, vitrectomy) using a heads-up 3D surgery system.
Surgical microscope illuminance was intentionally reduced (main light 2%, otto-flex 6%) to minimize patient discomfort.
Luminance of the surgical field was measured from both the microscope eyepieces and the 3D system display.

Main Results:

All surgeries were successfully completed without complications under the tested low illuminance settings.
The 3D system, utilizing a high-sensitivity camera, provided a bright and clear view of the surgical field on the display.
Patients reported no intolerable discomfort or glare, and surgeons performed procedures confidently due to enhanced visualization.

Conclusions:

Heads-up, 3D-assisted intraocular surgeries are feasible, safe, and efficient under low illuminance conditions.
The use of high-sensitivity sensors and electronic image amplification in 3D systems overcomes challenges posed by reduced lighting.
This technology offers a promising alternative for improving surgical visualization and patient comfort in ophthalmology.