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NCT00413868 · ClinicalTrials.gov registry record · NA

A Prospective Evaluation of Contrast Sensitivity and Disability Glare in Refractive Surgery, a Sub-Study of: Initial Evaluation of Excimer Laser Keratorefractive Surgery in U.S. Army Personnel (WU # 2335-99)

A NA study of Myopia, sponsored by Walter Reed Army Medical Center.

Completed
Registry status
NA
Development phase
50
Enrollment target
1
Study location

NCT00413868: Completed NA study of Myopia, sponsored by Walter Reed Army Medical Center.

NCT00413868 is a NA study of Myopia that has completed, run by Walter Reed Army Medical Center. The registered enrollment target is 50 participants, below the 267-participant average among 90 other Myopia trials with a reported enrollment target (81% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00413868, a NA study of Myopia, has completed, sponsored by Walter Reed Army Medical Center.

COMPLETED
Registry status
NA
Development phase
50 participants
Enrollment target
1
Study location

Study Summary

The purpose of this study is to conduct a prospective assessment of small target contrast sensitivity and disability glare in refractive surgery. Study subjects will undergo the treatment of their choice (PRK or LASIK) and will be evaluated before and after treatment. Evaluations will include best corrected visual acuity, uncorrected visual acuity, psychometric questionnaire, pupil size, biomicroscopic examination, manifest refraction, wavefront measurements, low contrast acuity, and contrast sensitivity at normal and at low luminance with and without disability glare.

Conditions Studied

Myopia

Interventions

  • PROCEDURE LASIK
  • PROCEDURE PRK
  • BEHAVIORAL Small target contrast sensitivity and disability glare

Study Locations (1)

District of Columbia

  • Walter Reed Army Medical Center, Center For Refractive Surgery - Washington D.C.

Trial Details

FieldValue
Enrollment Target 50 participants
Phase NA
Walter Reed Army Medical Center

24 total trials

What the finished NCT00413868 record still lists

NCT00413868 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 50 participants, a relatively small participant target, below the 267-participant average among 90 other Myopia trials with a reported enrollment target (81% lower).

The record links to 1 condition, with Myopia appearing as the primary indexed condition, and to 3 interventions - of which LASIK is the first listed.

NCT00413868 reports a single indexed study location in District of Columbia.

Frequently Asked Questions

What is clinical trial NCT00413868 about?

NCT00413868 is a clinical study titled "A Prospective Evaluation of Contrast Sensitivity and Disability Glare in Refractive Surgery, a Sub-Study of: Initial Evaluation of Excimer Laser Keratorefractive Surgery in U.S. Army Personnel (WU # 2335-99)". The purpose of this study is to conduct a prospective assessment of small target contrast sensitivity and disability glare in refractive surgery. Study subjects will undergo the treatment of their choice (PRK or LASIK) and will be evaluated before and after treatment. Evaluations will include best c...

What is the current status of trial NCT00413868?

This trial is currently completed. It is a NA study. The enrollment target is 50 participants.

What conditions does trial NCT00413868 study?

This clinical trial studies the following conditions: Myopia.

What interventions are being tested in trial NCT00413868?

The interventions under investigation include: LASIK (PROCEDURE), PRK (PROCEDURE), Small target contrast sensitivity and disability glare (BEHAVIORAL).

Who is sponsoring clinical trial NCT00413868?

This trial is sponsored by Walter Reed Army Medical Center, which has 24 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT00413868 being conducted?

This trial has 1 study location across District of Columbia. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Learn More About Clinical Trials

Similar trials for Myopia

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT00413868's enrollment target sits among peer trials

50 70th of 90 higher than 16 of 90 other Myopia trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Myopia trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Related registry views

Source: ClinicalTrials.gov NCT00413868, the US trial registry maintained by the National Library of Medicine. NCT00413868 (small enrollment · single site footprint · completed) retrieved and formatted by PlainTrial, see methodology.