NCT01740466

Brief Summary

Epidemiological study about eye discomfort complaints, comorbidities and diagnosis at a Brazil's ophthalmological public care service

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
1,670

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Mar 2012

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 1, 2012

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2012

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2012

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

November 30, 2012

Completed
4 days until next milestone

First Posted

Study publicly available on registry

December 4, 2012

Completed
Last Updated

December 7, 2012

Status Verified

December 1, 2012

Enrollment Period

4 months

First QC Date

November 30, 2012

Last Update Submit

December 6, 2012

Conditions

Eye Abnormalities

Keywords

PrevalenceVision disordersEye diseasesVisual acuityPrimary health care

Outcome Measures

Primary Outcomes (1)

  • Incidence and prevalence of visual conditions in the Public Service in Brazil

    * The ages ranged from 0 to 99 years * The mean age was 56.9 years * There was a predominance of females (58.1%) * The main reason for the consultation was low visual acuity (70%), followed by burning (26%) and itchiness (24.4%) * Among the abnormal tests there was a high prevalence of refractive errors (73.4%) and presbyopia (59.6%) * The cause of refractive errors was astigmatism (70.5%), hypertrophy (58.6%) and myopia (15.1%)

    6 months

Study Arms (1)

Ocular diseases

Observational

Eligibility Criteria

Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Individuals underwent an ophthalmologic evaluation

You may qualify if:

  • Patients assisted in public service

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Instituto de Olhos de Goiania

Goiânia, Goiás, 74110120, Brazil

Location

MeSH Terms

Conditions

Eye AbnormalitiesVision DisordersEye Diseases

Condition Hierarchy (Ancestors)

Congenital AbnormalitiesCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesSensation DisordersNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Marisa N Figueiredo

    IOG

    STUDY CHAIR

Study Design

Study Type
observational
Observational Model
ECOLOGIC OR COMMUNITY
Time Perspective
RETROSPECTIVE
Target Duration
6 Months
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 30, 2012

First Posted

December 4, 2012

Study Start

March 1, 2012

Primary Completion

July 1, 2012

Study Completion

August 1, 2012

Last Updated

December 7, 2012

Record last verified: 2012-12

Locations

BR(1)