MyopiaNCT02647411
Increased Prevalence of Myopia in a Ophthalmologic Hospital in Goiânia - Goiás
An observational study of Myopia, run by Instituto de Olhos de Goiania.
Trial summary
The purpose of this study was to evaluate the increased prevalence of myopia among patients in different periods in an ophthalmologic hospital in Goiania. There has been an increase of myopia prevalence around the world especially in some Asian countries. Read more about this study
- Who is it for?
- Ages 2 to 40 years
- Conditions the study is for
- Myopia
- How many people
- 16,971 participants
- Where
- No sites listed yet
- Study dates
- Aug 2015to Nov 2015
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 2 to 40 years
- All sexes
- No healthy volunteers
- Child, Adult
Study population: 16.806 students from municipal schools of Goiânia during the period October 1995 to December 2000 In the second study there were selected 165 children from 2 to 14 years old who were referred to the Institute of Goiânia eyes, look at Brazil project within the school environment. The Look Brazil project aims to identify vision problems related to refraction.
Who may be able to join
- Patients between 2 and 20 years assessment of Project "Olhar Brasil"
- Patients between 2 and 40 years assessment of Project "Boa visão"
Who cannot join
- The patients wasn't assessment of Project "Olhar Brasil"
- The patients wasn't assessment of Project "Boa Visão"
About this study
The purpose of this study was to evaluate the increased prevalence of myopia among patients in different periods in an ophthalmologic hospital in Goiania. There has been an increase of myopia prevalence around the world especially in some Asian countries. The investigators intend to analyze if this growing tendency is also present in our hospital, and if it exist how much is this growth.
Read the detailed description
There were compared data collected in two scientific studies carried out in the same ophthalmologic hospital in different periods of time, they evaluated among other factors, the refractive errors of the participants, from this data there were compared the percentage of patients with myopia between the two studies. And analysed how much was the grown of myopia
- Conditions
- Myopia
- Keywords
- Prevalence, Myopia
- Medical subject headings
- Myopia
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
| Study group | Role | What they receive |
|---|---|---|
| Projeto Boa Visão | Review of records between 1995 and 2000, in totality of 16.806 patients between 2 and 40 years old | |
| Projeto Olhar Brasil | Review of records between March and September 2014, in totality of 163 patients between 6 and 18 years old |
What is being measured
The primary outcome is the main question the study is designed to answer.
Analisys of the percentage of patients with myopia in an ophthalmologic hospital in Goiânia - Goiás based on two prevalence studies made in the same hospital in different periods of time.
Comparison of the prevalence of myopia from data collected in two scientific studies carried out in the same ophthalmologic hospital in different periods of time, that evaluated among other factors the refractive errors of the participants.
In the first study were examined 16.806 students from municipal schools of Goiania during the period October 1995 to December 2000. In the second study there were selected 165 children from 2 to 14 years old who were referred to the Institute of Goiânia eyes, by the "Projeto Boa Visão" within the school environment. The "Projeto Boa Visão" aims to identify vision problems related to refraction.
Measured: up to 2 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted6 Jan 2016 (estimated)
- Study startAug 2015
- Primary completionNov 2015
- Study completionNov 2015
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for MyopiaStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Time perspective
- Retrospective
- Enrolment
- 16,971 participants (actual)
Sponsor and investigators
- Lead sponsor
- Instituto de Olhos de Goiania
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT02647411
- Sponsor's protocol ID
- ARVO R1 2016 1
- Status last verified
- Jan 2016
- First submitted
- 11 Nov 2015
- Last updated
- 6 Jan 2016
- Results posted
- No
- Data monitoring committee
- Yes
Study at a glance
From the registry record, last updated by the sponsor on 6 Jan 2016. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Increased Prevalence of Myopia in a Ophthalmologic Hospital in Goiânia - Goiás
- ClinicalTrials.gov ID
- NCT02647411
- Acronym / sponsor ID
- ARVO R1 2016 1
- Conditions
- Myopia
- Keywords
- Prevalence, Myopia
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 16,971 participants (actual)
- Lead sponsor
- Instituto de Olhos de GoianiaUniversity, hospital or other
- Study start
- Aug 2015
- Primary completion
- Nov 2015 (actual)
- Study completion
- Nov 2015 (actual)
- First posted
- 6 Jan 2016 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The purpose of this study was to evaluate the increased prevalence of myopia among patients in different periods in an ophthalmologic hospital in Goiania. There has been an increase of myopia prevalence around the world especially in some Asian countries. The investigators intend to analyze if this growing tendency is also present in our hospital, and if it exist how much is this growth.
Detailed description
There were compared data collected in two scientific studies carried out in the same ophthalmologic hospital in different periods of time, they evaluated among other factors, the refractive errors of the participants, from this data there were compared the percentage of patients with myopia between the two studies. And analysed how much was the grown of myopia
Study design
- Time perspective
- Retrospective
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Projeto Boa Visão | – | –Review of records between 1995 and 2000, in totality of 16.806 patients between 2 and 40 years old |
| Projeto Olhar Brasil | – | –Review of records between March and September 2014, in totality of 163 patients between 6 and 18 years old |
Who may qualify
- Ages
- 2 to 40 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult
- Study population
- 16.806 students from municipal schools of Goiânia during the period October 1995 to December 2000 In the second study there were selected 165 children from 2 to 14 years old who were referred to the Institute of Goiânia eyes, look at Brazil project within the school environment. The Look Brazil project aims to identify vision problems related to refraction.
Key inclusion criteria (2 listed)
- Patients between 2 and 20 years assessment of Project "Olhar Brasil"
- Patients between 2 and 40 years assessment of Project "Boa visão"
Key exclusion criteria (2 listed)
- The patients wasn't assessment of Project "Olhar Brasil"
- The patients wasn't assessment of Project "Boa Visão"
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Analisys of the percentage of patients with myopia in an ophthalmologic hospital in Goiânia - Goiás based on two prevalence studies made in the same hospital in different periods of time.
Time frame: up to 2 months
Comparison of the prevalence of myopia from data collected in two scientific studies carried out in the same ophthalmologic hospital in different periods of time, that evaluated among other factors the refractive errors of the participants. In the first study were examined 16.806 students from municipal schools of Goiania during the period October 1995 to December 2000. In the second study there were selected 165 children from 2 to 14 years old who were referred to the Institute of Goiânia eyes, by the "Projeto Boa Visão" within the school environment. The "Projeto Boa Visão" aims to identify vision problems related to refraction.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 6 Jan 2016.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
Questions about this trial
What is this clinical trial studying?
An observational study of Myopia, run by Instituto de Olhos de Goiania.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 2 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 6 Jan 2016. Status can change between updates, so confirm with the study contact before making plans.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Analisys of the percentage of patients with myopia in an ophthalmologic hospital in Goiânia - Goiás based on two prevalence studies made in the same hospital in different periods of time. (time frame: up to 2 months). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 6 Jan 2016.