Imaging of Corneal and Crystalline by Near Infrared Retro-illumination

NCT ID: NCT05717543

Last Updated: 2023-04-26

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

384 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-01-26

Study Completion Date

2023-03-16

Brief Summary

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Retroillumination photography is difficult. The reflections on the cornea and the lens are constant and prevent from obtaining a complete and clear image. Study team have modified a slit lamp intended to photograph the anterior segment of the eye in retroillumination by using a light source in the near infrared (780 nm), and a process which eliminates the reflections.

Detailed Description

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Conditions

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Eye Diseases

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Exploratory pilot study
Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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Patient with corneal pathology, crystalline pathology, or pigmentary glaucoma

Patient with corneal pathology, crystalline pathology, or pigmentary glaucoma will be included.

Imaging by retroillumination will be realized. In case of bilateral disease, both eyes will be photographed

Group Type EXPERIMENTAL

Retro-illuminator

Intervention Type DEVICE

The device Retro-illuminator will be used to photograph the eyes.

Interventions

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Retro-illuminator

The device Retro-illuminator will be used to photograph the eyes.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Patient with corneal pathology, crystalline pathology, or pigmentary glaucoma with transilluminable iris. In case of bilateral disease, both eyes will be photographed
* Patient having received an instillation of eye drops to dilate the pupil of the eye to be photographed (or of both eyes).

Exclusion Criteria

* Major blepharospasm
* Poor or no pupillary dilation: patient with allergy or intolerance to eye drops used for pupillary dilation, refusal of pupillary dilation
* Pregnant or breastfeeding patient
* Person under legal protection
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Centre Hospitalier Universitaire de Saint Etienne

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Gilles THURET, MD PhD

Role: PRINCIPAL_INVESTIGATOR

CHU SAINT-ETIENNE

Locations

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CHU Saint-Etienne

Saint-Etienne, , France

Site Status

Countries

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France

Other Identifiers

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2021-A01496-35

Identifier Type: OTHER

Identifier Source: secondary_id

21CH117

Identifier Type: -

Identifier Source: org_study_id

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