Non-invasive Eye Imaging
Non-invasive Eye Imaging - Related Videos
09:52
Non-invasive Optical Imaging of the Lymphatic Vasculature of a Mouse
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Cited by 25 •
2013
Recently developed imaging techniques using near-infrared fluorescence (NIRF) may help elucidate the role the lymphatic system plays in cancer metastasis, immune response, wound repair, and other lymphatic-associated diseases.
01:37
Non-invasive Monitoring and Imaging in Animal Research
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2026
All animal procedures described here must be conducted in accordance with institutional animal ethics guidelines and approved by IACUC. All procedures must follow the principles of the 3Rs—Replacement, Reduction, and Refinement—and must be performed by trained personnel. Non-invasive technologies support the principles of 3Rs by enabling repeated data collection from the same animal without the need for euthanasia at multiple time points. These approaches reduce the number of animals required...
05:54
Transplantation into the Anterior Chamber of the Eye for Longitudinal, Non-invasive In vivo Imaging with Single-cell Resolution in Real-time
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Cited by 31 •
2013
A new approach combining intraocular transplantation and confocal microscopy enables longitudinal, non-invasive real-time imaging with single-cell resolution within grafted tissues in vivo. We demonstrate how to transplant pancreatic islets into the anterior chamber of the mouse eye.
08:13
In Vivo Confocal Microscopy in the Diagnosis and Management of Dry Eye: A Focus on Imaging Protocols and Interpretation
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2025
This article demonstrates the operation and effect of in vivo confocal microscopy in the diagnosis and treatment of dry eye and investigates the application and outcomes of in vivo confocal microscopy to provide a basis for future research.
06:08
Long-term Live Imaging of Drosophila Eye Disc
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Cited by 6 •
2017
This protocol describes a detailed method for the long-term ex vivo culture and live imaging of a Drosophila imaginal disc. It demonstrates photoreceptor differentiation and ommatidial rotation within the 10 h period of live imaging of the eye disc. The protocol is simple and does not require expensive setup.
FAQs
Reflected and scattered light carry signals from ocular tissues back to the imaging system. Differences in how structures return or redirect light create visual contrast, allowing researchers to distinguish retinal surfaces, blood vessels, the optic nerve, and anterior-eye features. This optical information supports biological comparisons between normal anatomy and changes associated with development, aging, or disease.
Optical coherence tomography uses low-coherence interferometry to separate signals according to their position within the tissue. The result is a depth-resolved view of retinal layers rather than only a surface appearance. This layered information helps investigators examine how individual retinal regions change, improving the interpretation of structural alterations during disease studies or repeated observations.
Fundus photography is especially informative for documenting retinal surfaces and visible vascular patterns, whereas optical coherence tomography reveals the organization of retinal layers in depth. The choice depends on the biological question: surface-level changes may be assessed with photography, while layer-specific structural differences require depth-resolved imaging. Using both approaches can provide complementary anatomical information.
The methods can show alterations in the retina, optic nerve, blood vessels, and anterior eye. These observations allow researchers to examine structural consequences of normal development and aging alongside changes associated with disease. Because the same ocular regions can be visualized repeatedly, imaging can also indicate whether an observed feature remains stable, progresses, or changes after treatment.
A longitudinal study can begin with an initial image of the relevant ocular region, followed by additional images collected at later time points. Researchers then compare the observations to track structural or functional change over time. Repeated, low-risk measurements make this approach suitable for studying progression, developmental patterns, aging, and responses to treatment without surgical entry.
Researchers can select the method according to the information required. Fundus photography provides views of retinal surfaces, while optical coherence tomography supplies depth-resolved information about retinal layers. If a study focuses on visible surface or vascular changes, photography may be appropriate; if it examines layer-specific structure, optical coherence tomography offers the more relevant measurement.
The eye provides structures that can be observed repeatedly while avoiding surgical entry. This enables researchers to follow normal development, aging, and disease-related changes in the same biological system across multiple observations. Serial imaging also supports treatment assessment by showing whether ocular features change, remain stable, or follow a different pattern after an intervention.