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Preventable visual impairment in children with nonprofound intellectual disability
Lokman Aslan1, Murat Aslankurt, Adnan Aksoy
1Ophthalmolgy Department, Faculty of Medicine, Sutcu Imam University, Kahramanmaras¸ - Turkey. lokaslan46@yahoo.com
Insights
Children with intellectual disability (ID) have a high rate of preventable vision problems like refractive errors and strabismus. Early eye screenings are crucial for managing these conditions and improving their quality of life.
Area of Science:
- Ophthalmology
- Pediatrics
- Genetics
Background:
- Intellectual disability (ID) affects a significant pediatric population.
- Visual impairments can negatively impact development and quality of life in children with ID.
- Early detection and management of ocular conditions are essential for this vulnerable group.
Purpose of the Study:
- To evaluate the prevalence of preventable visual impairments in children with nonprofound intellectual disability.
- To compare ocular findings between children with Down syndrome (DS) and other forms of nonprofound ID.
- To identify specific ophthalmic conditions requiring intervention in pediatric ID.
Main Methods:
- Ophthalmologic examinations were conducted on 215 children with ID (90 with DS, 125 with other ID) and 116 healthy controls.
- Comprehensive eye assessments included cycloplegic refraction, ocular motility evaluation, strabismus screening, slit-lamp biomicroscopy, funduscopy, and intraocular pressure measurement.
- Statistical analysis was performed to compare findings across groups.
Main Results:
- Refractive errors were the most common finding (61.1% in DS, 45.6% in other ID) compared to controls (11.2%).
- Strabismus was significantly more prevalent in children with DS (33.2%) and other ID (15.2%) than in controls (3.5%).
- Cataracts and nystagmus were observed in children with ID but not in the control group.
Conclusions:
- Children with intellectual disability exhibit a high prevalence of visually impairing conditions, including refractive errors, strabismus, and cataracts.
- Down syndrome is associated with a higher frequency of strabismus and specific refractive errors like hyperopia.
- Routine ophthalmic screenings are vital for early detection and management to enhance the quality of life for children with ID.
Purpose:
To assess the preventable visual impairment in children with nonprofound intellectual disability (ID).
Methods:
A total of 215 children with IDs (90 Down syndrome [DS], 125 nonprofound ID) and 116 age- and sex-matched healthy subjects were enrolled in this study. All participants underwent ophthalmologic examinations including cycloplegic refraction measurements, ocular movement evaluation, screening for strabismus (Hirschberg, Krimsky, or prism cover test), slit-lamp biomicroscopy, funduscopy, and intraocular pressure measurements. All data were recorded for statistical analysis.
Results:
Ocular findings in decreasing prevalence were as follows: refractive errors 55 (61.1%), strabismus 30 (33.2%), cataract 7 (7.8%), and nystagmus 7 (7.8%) in children with DS; refractive errors 57 (45.6%), strabismus 19 (15.2%), cataract 7 (6.4%), nystagmus 5 (4%), and glaucoma 1 (0.8%) in children with other ID; and refractive errors 13 (11.2%) and strabismus 4 (3.5%) in controls. Cataracts, glaucoma, and nystagmus were not observed in the control group. The most common ophthalmic findings in children with DS compared with other ID and controls were with hyperopia (p<0.03 and p<0.001, respectively) and esotropia (p<0.01 and p<0.01, respectively).
Conclusion:
The pediatric population with ID has a high prevalence of preventable visual impairments, refractive errors, strabismus, and cataracts. The prevalence of strabismus and refractive errors was more frequent in children with DS. The importance of further health screenings including ophthalmic examinations should be utilized to implement appropriate care management and improve quality of life.
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