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Recruiting NCT02317328

Adaptive Optics Retinal Imaging

— Observational Eye Diseases Healthy Volunteers

For patients and families

In plain language

An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.

What is being studied
This is an observational study: the protocol does not assign a study treatment.
Who it may be relevant to
Registry conditions: Eye Diseases, Healthy Volunteers. Basic parameters: 12 years — 120 years · All.
What needs checking
Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
Where it takes place
United States
Next step
Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →

Unsure about the terms? Read our patient guide →

Overview

Background: \- By the time diseases of the retina are detected, serious damage has often already been done. Researchers want to find better ways of viewing the retina. One way called adaptive optics may help detect problems earlier. Objectives: \- To study if adaptive optics can help find better ways to diagnose, treat, and manage retinal diseases. Eligibility: * People over age 12 with an eye disease. * Healthy volunteers over age 12. Design: * Participants will be screened with medical history and eye exams. These may include dilating pupils and taking pictures of the eyes. * Participants will have 1 or more study visits. They will have: * Medical and eye history. * Questions about their medications. * Eye exam including pupil dilation. * Adaptive optics imaging. After dilation, participants sit still while looking into an adaptive optics instrument. They look at specific places and images are taken of their retina. * They may also have: * More images. * Perimetry. Participants look into a lens and press a button when they see a light. * Color vision tests. * Electroretinogram. Participants will get numbing eye drops and special contact lenses. A small metal electrode will be put on their forehead. They will look at flashing lights and try not to blink.

Detailed description

Objective: The objective of this protocol is to collect and assess adaptive optics (AO) retinal images of normal and diseased eyes.

Study Population: Three hundred and fifty (350) participants with eye diseases and 250 normal volunteers will be enrolled.

Design: This is an observational protocol which will enroll 350 participants with various eye diseases and 250 age-matched healthy volunteers over five years. In general, participants will undergo a complete ophthalmic examination including assessments of visual acuity, intraocular pressure, and a dilated ocular examination. Imaging will be performed using adaptive optics instruments deployed in the NEI Eye Clinic.

Outcome Measures: The primary outcome for this protocol is qualitative and quantitative assessment of the AO images with comparisons of normal and diseased states.

Primary outcome measures

  • Qualitative and quantitative assessment of AO images [Time frame: ongoing]

Eligibility criteria

  • INCLUSION CRITERIA:

Participants will be eligible if they:

  • Are 12 years of age or older.
  • Have the ability to cooperate with an eye exam and adaptive optics imaging.
  • Have the ability to understand and sign an informed consent or have a parent/legal guardian to do so if they are minor children.
  • Have an eye disease or are a healthy volunteer with a normal eye exam (no visually-significant eye findings on examination).

Exclusion criteria

Participants will not be eligible if:

-They have a condition which prevents adequate images from being obtained (e.g. unstable fixation or media opacity).

EXCLUSION CRITERIA FOR FLUORESCEIN AND/OR INDOCYANINE GREEN IMAGING

Partaicipants are not eligible for fluorescein and/or indocyanine green imaging if they:

  • Are under 18 years of age.
  • For participants who will undergo fluorescein imaging have a history of adverse reaction to fluorescein.
  • For participants who will undergo indocyanine green imaging have a history of adverse reaction to indocyanine green dye, know or suspected allergies to iodine or shellfish.

Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.

Healthy volunteers: Yes

Study design

Observational model
Case-control

Study locations

United States · 1 center
  • National Institutes of Health Clinical Center — Bethesda

Publications

  • Hendrickson A, Drucker D. The development of parafoveal and mid-peripheral human retina. Behav Brain Res. 1992 Jul 31;49(1):21-31. doi: 10.1016/s0166-4328(05)80191-3. PMID 1388798
  • Wing GL, Blanchard GC, Weiter JJ. The topography and age relationship of lipofuscin concentration in the retinal pigment epithelium. Invest Ophthalmol Vis Sci. 1978 Jul;17(7):601-7. PMID 669891
  • Fotedar R, Wang JJ, Burlutsky G, Morgan IG, Rose K, Wong TY, Mitchell P. Distribution of axial length and ocular biometry measured using partial coherence laser interferometry (IOL Master) in an older white population. Ophthalmology. 2010 Mar;117(3):417-23. doi: 10.1016/j.ophtha.2009.07.028. Epub 2010 Jan 19. PMID 20031227

Identifiers

NCT: NCT02317328 · 150020 · 15-EI-0020

Primary sources (government registries)

View this study on ClinicalTrials.gov ↗