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Study Comparing the P200TxE and P200DTx

Visualization Study of the UWF (Ultra Wide-field) SLO (Scanning Laser Ophthalmoscope) RG (Red Green), AF (Autofluorescence), FA (Fluorescein Angiography) and ICG ( Indocyanine Green Fluorescence) Images Using the P200TxE (Indy) and P200DTx (California)

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03964831
Enrollment
40
Registered
2019-05-28
Start date
2019-06-18
Completion date
2020-01-14
Last updated
2024-09-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Retinal Disease

Brief summary

The study evaluates image quality between two devices.

Interventions

DEVICEP200TxE

The P200TxE ophthalmoscope provides widefield scanning laser ophthalmascope (SLO) fundus imaging.

DEVICEP200DTx

The P200DTx ophthalmoscope provides widefield scanning laser ophthalmascope (SLO) fundus imaging.

Sponsors

Optos, PLC
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
DIAGNOSTIC
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
22 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Male or female subjects 22 years of age or older who have full legal capacity to volunteer on the date the informed consent is signed; 2. Subjects who can follow the instructions by the clinical staff at the clinical site, 3. Subjects who agree to participate in the study; 4. Subjects diagnosed with retinal pathology. Example of pathologies may include but are not limited to Age-related Macular Degeneration, Diabetic Macular Edema, Diabetic Retinopathy, Macular Hole, Epiretinal Membrane, Central Serous Retinopathy, and others as confirmed by the investigator;

Exclusion criteria

1. Subjects unable to tolerate ophthalmic imaging; 2. Subjects with ocular media not sufficiently clear to obtain acceptable images;

Design outcomes

Primary

MeasureTime frameDescription
Qualitative Image assessment6 monthsResults from a qualitative assessment of the clinical utility and image quality of the images from both devices will be assessed from a clinician questionnaire and three independent masked and qualified graders using a four point scale (0-3).
Safety Assessment from Adverse Events6 monthsAnalysis of safety will be assessed through adverse events reported by the site and documented on each subject's case report form.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026