Stroke Clinical Trial
— IMA-MODEOfficial title:
High Resolution and High Speed Multimodal Ophthalmic Imaging
Knowledge of the pathogenesis of ocular conditions, a leading cause of blindness, has
benefited greatly from recent advances in ophthalmic imaging. However, current clinical
imaging systems are limited in resolution, speed, or access to certain structures of the eye.
The use of a high-resolution imaging system improves the resolution of ophthalmoscopes by
several orders of magnitude, allowing the visualization of many microstructures of the eye:
photoreceptors, vessels, nerve bundles in the retina, cells and nerves in the cornea.
The use of a high-speed acquisition imaging system makes it possible to detect functional
measurements such as the speed of blood flow. The combination of data from multiple imaging
systems to obtain multimodal information is of great importance for improving the
understanding of structural changes in the eye during a disease.
The purpose of this project is to observe structures that are not detectable with routinely
used systems.
Status | Recruiting |
Enrollment | 1200 |
Est. completion date | June 30, 2023 |
Est. primary completion date | June 30, 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. - Pregnant or lactating women - Participant unable to be followed throughout the study - Vulnerable people - Subjects with predisposition to closure of the iridocorneal angle |
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 of a structure of interest and measuring the short-term and long-term reproducibility of the data collected compared to routine systems | Obtain the visualization of a structure of interest or obtain a measurement that are not detectable with the systems used routinely by analyzing images with image analysis software dedicated by a multidisciplinary group including doctors and physicists, assisted by computer scientists 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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