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Updated: Dec 9, 2025

Corneal Confocal Microscopy: A Novel Non-invasive Technique to Quantify Small Fibre Pathology in Peripheral Neuropathies

Corneal Confocal Microscopy: A Novel Non-invasive Technique to Quantify Small Fibre Pathology in Peripheral Neuropathies

Published on: January 3, 2011

Compact and contactless reflectance confocal microscope for neurosurgery.

Jiahe Cui¹, Raphaël Turcotte^1,2, Karen M Hampson¹

¹Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, United Kingdom.

Biomedical Optics Express

|September 14, 2020

Summary

This study introduces a compact reflectance confocal microscope for neurosurgery. It offers high-resolution, label-free cellular imaging, crucial for complete tumor removal during surgery.

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Last Updated: Dec 9, 2025

Corneal Confocal Microscopy: A Novel Non-invasive Technique to Quantify Small Fibre Pathology in Peripheral Neuropathies

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Published on: January 3, 2011

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Microtensiometer for Confocal Microscopy Visualization of Dynamic Interfaces

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Published on: September 9, 2022

Area of Science:

Biomedical Optics
Neurosurgical Technology
Microscopy

Background:

Accurate cellular-level visualization is critical for successful neurosurgical tumor resection.
Existing microscopy techniques may have limitations in working distance, resolution, or size for intraoperative use.

Purpose of the Study:

To develop and evaluate a compact reflectance confocal microscope for enhanced visual guidance in neurosurgery.
To assess the system's performance using ex vivo and in vivo rodent models.

Main Methods:

Design and construction of a compact reflectance confocal microscope using off-the-shelf components.
Optical performance evaluation using Zemax software.
Experimental validation with rodent brain tissue, calvaria, and live hippocampal slices.

Main Results:

Achieved <1.2 µm spatial resolution over a 600 µm × 600 µm field of view.
The microscope has a 20 mm working distance and a compact footprint (200 mm × 550 mm).
Demonstrated system capability and robustness across different biological specimens.

Conclusions:

The developed microscope shows significant potential for label-free, contactless neurosurgical imaging.
This technology could advance next-generation neurosurgical microscopes for improved tumor resection.