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Medical Optics Lab
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The lab researches diagnostic methods that use light and are gentle on the body.
AboutAbout the lab
Developing diagnostics that use light and are gentle on the body
The Medical Optics Lab researches diagnostic technologies that use laser light and are gentle on the body.
Its central technology is Optical Coherence Tomography (OCT), an optical imaging technique that can capture cross-sectional images 1–2 mm beneath the epidermis of living tissue.
Using OCT to examine the structure and function of living tissue, the lab aims to propose and develop new optical diagnostic methods that can be used in clinical settings.
The lab also carries out preclinical research using a high-field 7T MRI system.
Key terms
- Optical Coherence Tomography (OCT)
- An optical imaging technique that uses light interference to produce cross-sectional images of the inside of living tissue
- KTN
- A crystal made of an oxide of potassium, tantalum, and niobium. Its refractive index changes greatly with voltage
- Optical deflector
- A device that changes the direction in which light travels. With a KTN crystal, the direction of the emitted beam can be changed at high speed by voltage
ResearchResearch themes
Centered on OCT, the lab detects the structure and function of living tissue, aiming to propose and develop new optical diagnostic methods that can be used in clinical settings. OCT is a technology being considered for application in a variety of clinical fields, including retinal diagnosis in ophthalmology, dermatology, the circulatory system, and the digestive system.
*Illustrative imageExamining sweat glands and peripheral blood vessels with OCT
The lab aims to clarify the physiological functions of sweat glands and the peripheral vascular system using OCT. OCT is the technology at the core of the lab's work as a means of detecting the structure and function of living tissue.
*Illustrative imageDeveloping an OCT system using KTN crystals
In 2015, a development team including Prof. Ohmi developed a system that uses a KTN crystal, developed by NTT, as an optical deflector and can acquire images more than 100 times faster than conventional time-domain OCT.
Diagnosing allergic dermatitis with OCT
This research applies OCT to the diagnosis of allergic dermatitis. OCT is a technology being considered for application in various clinical fields, starting with dermatology.
*Illustrative imagePreclinical research with high-field MRI
The lab is conducting preclinical research using a high-field 7T MRI system. It is a theme pursued alongside the lab's OCT-centered research.
MembersFaculty
The members of the Medical Optics Lab consist of faculty, visiting professors, project researchers, and doctoral, master's, and undergraduate students.
- ProfessorMasato Ohmi
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Laser-Doppler” NASA/Ames Research Center / Public domain (cropped)
- Examining sweat glands and peripheral blood vessels with OCT: “OCT Cross section retina scan” Bobjgalindo / CC BY-SA 4.0 (cropped)
- Developing an OCT system using KTN crystals: “Optical Coherence Tomography of optic nerve and surrounding retina” Bobjgalindo / CC BY-SA 4.0 (cropped)
- Preclinical research with high-field MRI: “Preclinical Small-Animal MRI System (NIH BioArt )” Courtesy of NIAID Malcolm Houston / Public domain (cropped)
- Related lab (Acute and Palliative Care Lab): “Patient lying in hospital bed in intensive care unit in Germany in 2015” Pittigrilli / CC BY-SA 4.0 (cropped)
- Related lab (Perioperative Management Lab): “AusMAT team members performing surgery ( )” Department of Foreign Affairs and Trade / CC BY 2.0 (cropped)
- Related lab (Psychiatric and Mental Health Nursing Lab): “Nursing staff, St Mary's Hospital” Ardosion / CC BY-SA 4.0 (cropped)
- Related lab (Chronic Illness Nursing Lab): “Nurse checks blood pressure” Linda Bartlett (Photographer) / Public domain (cropped)
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