Stroke Clinical Trial
— AOSLO-OCTOfficial title:
Bimodal and Coaxial High Resolution Ophtalmic Imaging
The knowledge of the pathogenesis of retinal affections, a major cause of blindness, has greatly benefited from recent advances in retinal imaging. However, optical aberrations of the ocular media limit the resolution that can be achieved by current techniques. The use of an adaptive optics system improves the resolution of ophthalmoscopes by several orders of magnitude, allowing the visualization of many retinal microstructures: photoreceptors, vessels, bundles of nerve fibers. Recently, the development of the coupling of the two main imaging techniques, the Adaptive Optics Ophthalmoscope with Optical Coherence Tomography, enables unparalleled three-dimensional in vivo cell-scale imaging, while remaining comfortable for the patients. The purpose of this project is to evaluate the performance of this system for imaging micrometric retinal structures.
Status | Recruiting |
Enrollment | 1200 |
Est. completion date | October 15, 2024 |
Est. primary completion date | October 1, 2023 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - People over 18 - Patient with a pathology affecting the eye or healthy volunteer - Participant who signed the consent - Beneficiaries of the health insurance Exclusion Criteria - Patients with a history of photosensitivity. - Patients who have just received a photodynamic therapy treatment - Patients taking drugs with photosensitivity as a side effect. - Persons with pacemakers or other implanted electronic medical device - Patients with viral conjunctivitis or any other infectious disease. - Patients with skin lesions on the neck or forehead - Patients at high risk of damage from optical radiation, such as aphakic patients, or patients with decreased sensitivity to light due to fundus disease. - Participant unable to be followed throughout the study - Advanced cataract or severe opacities in the anterior segment of the eye. |
Country | Name | City | State |
---|---|---|---|
France | Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts | Paris |
Lead Sponsor | Collaborator |
---|---|
Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts |
France,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Visualization and image analysis of a structure of interest | The visualization of the structure of interest in at least one area of the image will be considered the main criterion of success. | From date of inclusion until the date of last documented progression , assessed up to 5 years |
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