Recruiting

Observational Study

Sponsor:

The Chicago Lighthouse

Code:

NCT00894192

Conditions

Visual Function

Eligibility Criteria

Sex: All

Age: 18 - 35

Healthy Volunteers: Accepted

Interventions

Izon Wavefront-guided lenses

Conventional lenses

Study Details

Brief summary:

The purpose of this study is to assess the level of visual functioning in patients with various eye conditions while wearing different types of eyeglasses.

Conditions

Visual Function

Study ID

NCT00894192

Start date

Feb, 2009

Status verified date

May, 2009

Completion date

Dec, 2009

Anticipated

Primary completion date

Oct, 2009

Anticipated

Eligibility Criteria

Eligibility Criteria

Sex: All

Age: 18 - 35

Healthy Volunteers: Accepted

Inclusion Criteria:

  • Have normal vision
  • Are far-sighted or near-sighted
  • Have no eye diseases Subjects aged 18 and over, who have refractive errors ranging from +5.0 to -5.0 and/or who have eye disease will be included in the study.

Study Design

Enrollment

300 participants

Anticipated

Allocation

Randomized

Intervention Model

Parallel Assignment

Primary purpose

Treatment

Interventions and Outcome Measures

Arms

active comparator: Wavefront guided lenses

placebo comparator: Conventional lenses

Interventions

Izon Wavefront-guided lenses

Subjects will use prescribed eyeglasses for one week. Their visual functioning will be tested at the end of the week.

Conventional lenses

We will test the subjects with these lenses after they have worn them for one week. Same procedures will be followed as with the other lenses.

Primary outcome measure

  • Visual Acuity, and Contrast Sensitivity [ Time Frame: Once a week ]

Central Contacts and Locations

Central contacts

Samar Suleman, BA

312-447-3234samar.suleman@chicagolighthouse.org

Locations

The Chicago Lighthouse

Recruiting

Chicago, Illinois, United States, 60608

Contacts

Samar Suleman, BA

312-447-3234samar.suleman@chicagolighthouse.org

Principal Investigator:

Janet Szlyk, PhD

More Information

Sponsor

The Chicago Lighthouse

Last update posted

May 6, 2009

Last verified

May, 2009

Keywords

  • This study tests functional ability of patients with refractive error or normal vision while using different types of eyeglasses.

Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-09. This information was provided to ClinicalTrials.gov by The Chicago Lighthouse on 2009-05-06.