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Baltimore Vision Screening Project. Phase 2
1Department of Ophthalmology, University of Maryland, School of Medicine, Baltimore, USA.
Insights
Vision screening in young children is crucial, but follow-up care is challenging. This study found low treatment compliance in inner-city students, highlighting the need for better adherence strategies to improve vision outcomes.
Area of Science:
- Ophthalmology
- Pediatric Vision Care
- Public Health
Background:
- Vision screening in children is vital for detecting treatable visual abnormalities and refractive errors.
- Inconsistent follow-up care is a significant barrier in pediatric vision screening programs.
- The Baltimore Vision Screening Project aimed to improve access to eye care for inner-city elementary students.
Purpose of the Study:
- To administer a vision screening protocol to preschool and kindergarten students.
- To provide on-site examination and treatment for identified vision issues.
- To reassess visual morbidity and evaluate treatment effects one year after initial screening.
Main Methods:
- Standard vision screening administered to prekindergarten and kindergarten students.
- On-site examinations and treatment prescription for children identified with vision problems.
- Follow-up assessment one year later to evaluate visual status and treatment compliance.
Main Results:
- Screening identified significant visual morbidity: 5.3% amblyopia, 3.2% strabismus, 7.4% refractive errors.
- Of treated children, only 30% complied with recommended treatment.
- Following treatment, only 20% of students passed the subsequent vision screening.
Conclusions:
- Significant visual morbidity persists in preschool and kindergarten students.
- Low compliance with treatment and spectacle wear was observed in nearly two-thirds of students.
- Immediate access to care did not ensure treatment adherence, indicating a need for improved compliance strategies.
Background:
Vision screening in preschool and school age children remains a valuable method of identifying potentially treatable visual abnormalities, as well as refractive errors in the school age population. A major difficulty in conducting these types of programs is the inconsistent follow-up encountered frequently in children identified by the screening program. The Baltimore Vision Screening Project was designed to address the issue of access to care for a group of inner city elementary school students by providing on-site evaluation and treatment.
Methods:
A standard vision-screening protocol was administered to prekindergarten and kindergarten students attending an inner city elementary school and access to care provided at the school. Children identified by the screening were examined at the school, and appropriate treatment was prescribed. The second phase of the study details a return to the school 1 year after the initial screening. The purpose of this was to reassess the level of visual morbidity in this population and to evaluate the effects of providing treatment in the previous year.
Results:
Two hundred eighty-five children were screened during the 1994-1995 school year. Visual morbidity statistics from the follow-up year were similar to those of the previous screening: 5.3% diagnosed with amblyopia, 3.2% with strabismus, and 7.4% with refractive errors. Forty of the 68 children identified, examined, and treated in the previous year still were attending the school during the follow-up investigation. Compliance with recommended treatment was 30% in this group, with only 20% of the students passing the vision screening the following year.
Conclusions:
The follow-up screening confirmed the presence of significant visual morbidity in this group of preschool and kindergarten students. Nearly two thirds of the students had not complied with the recommended treatment or spectacle wear or both, despite providing immediate access to this care through the vision-screening program.