A Clinical Evaluation of the Next Generation Diagnostic Instrument (NGDI)
1 other identifier
interventional
76
1 country
1
Brief Summary
The purpose of this study is to measure the aberrations, corneal surface topography and pachymetry of normal human eyes with the NGDI.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable healthy
Started Aug 2005
Typical duration for not_applicable healthy
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
August 1, 2005
CompletedFirst Submitted
Initial submission to the registry
June 30, 2006
CompletedFirst Posted
Study publicly available on registry
July 4, 2006
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2006
CompletedStudy Completion
Last participant's last visit for all outcomes
September 1, 2006
CompletedJanuary 17, 2014
January 1, 2014
1.1 years
June 30, 2006
January 15, 2014
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Measurement of aberrations with the NGDI and the Zywave II.
Single visit
Secondary Outcomes (1)
Measurement of corneal topography and pachymetry with the NGDI and the Orbscan IIz.
Single visit
Study Arms (2)
Next Generation Diagnostic Instrument
EXPERIMENTALNext Generation Diagnostic Instrument (NGDI)
Zyoptix Diagnostic Workstation
ACTIVE COMPARATORZyoptix Diagnostic Workstation (ZDW)
Interventions
Measurement of the aberrations, corneal surface topography, and pachymetry of normal human eyes
Measurement of the aberrations, corneal surface topography, and pachymetry of normal human eyes
Eligibility Criteria
You may qualify if:
- +10.00D to -20.00D of absolute spherical ametropia
- Must be part of the Bausch \& Lomb research clinic
- Snellen visual acuity must be correctable to 20/25
You may not qualify if:
- No more than -6.00D of refractive astigmatism
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Bausch & Lomb
Rochester, New York, 14609, United States
Study Officials
- PRINCIPAL INVESTIGATOR
Michele Lagana
Bausch & Lomb Incorporated
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- DIAGNOSTIC
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 30, 2006
First Posted
July 4, 2006
Study Start
August 1, 2005
Primary Completion
September 1, 2006
Study Completion
September 1, 2006
Last Updated
January 17, 2014
Record last verified: 2014-01