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OpenTrials
Completed

NCT Number: NCT00347594

A Clinical Evaluation of the Next Generation Diagnostic Instrument (NGDI)

The purpose of this study is to measure the aberrations, corneal surface topography and pachymetry of normal human eyes with the NGDI.

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Key information

Conditions

Healthy

Age range

21 year–75 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Bausch & Lomb

Rochester, New York, 14609, United States

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • +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

Exclusion criteria

  • No more than -6.00D of refractive astigmatism

Treatment and study plan

Next Generation Diagnostic Instrument (NGDI)

Device

Measurement of the aberrations, corneal surface topography, and pachymetry of normal human eyes

Zyoptix Diagnostic Workstation (ZDW)

Device

Measurement of the aberrations, corneal surface topography, and pachymetry of normal human eyes

Primary outcomes

  1. Measurement of aberrations with the NGDI and the Zywave II.

    Time frame: Single visit

Secondary outcomes

  1. Measurement of corneal topography and pachymetry with the NGDI and the Orbscan IIz.

    Time frame: Single visit

Sponsors and collaborators

Lead sponsor

Bausch & Lomb Incorporated

Industry

Registry information

Important dates

Study start
2005
Primary completion
2006
Study completion
2006
First posted
Jul 4, 2006
Registry last updated
Jan 17, 2014

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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