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Ocular disorders in children with learning disabilities in special education schools of Pune, India
Parikshit Gogate1, Freya Rao Soneji, Jitesh Kharat
1HV Desai Eye Hospital, Pune, Maharashtra, India. parikshitgogate@hotmail.com
Insights
Nearly half of children with learning disabilities have vision problems, with many experiencing refractive errors or strabismus. Early detection and treatment can significantly improve their vision outcomes.
Area of Science:
- Ophthalmology
- Pediatrics
- Developmental Disabilities
Background:
- Children with learning disabilities (cLDs) often present with undiagnosed ocular conditions.
- Understanding the prevalence and types of visual impairments in cLDs is crucial for timely intervention.
Purpose of the Study:
- To investigate the prevalence of ocular disorders in children with learning disabilities.
- To identify associations between ocular conditions and perinatal history in this population.
- To assess the impact of interventions on visual acuity.
Main Methods:
- A cohort of 664 students from 11 special schools were examined by ophthalmology and optometry specialists.
- Data collected included intelligence quotient (IQ), medical history, and comprehensive ocular examinations.
- Follow-up assessments were conducted, and statistical analyses (Chi-square test) were performed.
Main Results:
- 45.3% of children had an ocular disorder, with uncorrected refractive error (27.3%) and strabismus (15.8%) being most common.
- 103 children had multiple ocular abnormalities.
- Children with a history of perinatal insult (48.7%) or conditions like epilepsy and cerebral palsy showed a higher prevalence of ocular problems.
Conclusions:
- A significant proportion of children with learning disabilities suffer from treatable ocular disorders.
- Interventions led to vision improvement in approximately one-fourth of the affected children.
- Screening for visual impairments should be a routine part of care for children with learning disabilities.
Aim:
The aim was to study and treat ocular disorders in children with learning disabilities (cLDs) and explore associations with their perinatal history.
Materials And Methods:
cLDs attending 11 special schools were examined by a team consisting of an ophthalmologist, optometrist, and a social worker in 2007 and followed up in 2008. The students' intelligence quotient (IQ) and their medical histories were noted. Distant visual acuities were measured using Kay pictures or Snellen's tumbling E chart and complete ocular examination was performed. Students were assessed at the pediatric ophthalmology unit and low vision center, if needed. Statistical analysis was done with SPSS and the Chi-square test for ordinal data.
Results:
A total of 664 students were examined, 526 of whom were <16 years of age; 323 (61.4%) were male. A total of 326 (60%) had moderate-to-severe learning disabilities (IQs <50), and the mean IQ was 45.4. Two hundred and thirty-eight (45.3%) had ocular disorder; 143 (27.3%) had an uncorrected refractive error, followed by strabismus in 83 (15.8%), nystagmus in 36 (6.8%), optic atrophy in 34 (6.5%), and congenital anomalies in 13 (2.5%), 103 children had more than one abnormality. Only 12 of the 143 students with refractive errors were using spectacles. A total of 132 (48.7%) children with a history of perinatal insult had ocular problems. Ocular disorders were also common in those with a history of epilepsy, Down's syndrome, and cerebral palsy.
Conclusion:
Nearly half the cLDs in this study had ocular disorders and one-fourth had their vision improved.
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