Overview
Non-strabismic accommodative-vergence anomalies (NSAVA) refer to disruptions in the coordinated processes of accommodation and vergence, often observed in pediatric populations, potentially impacting visual function and academic performance 1.Diagnosis
Comprehensive ophthalmic examination including cycloplegic autorefraction for refractive error measurement 1.
Assessment of best-corrected visual acuity, convergence, and accommodation tests to identify NSAVA 1.
Higher prevalence of NSAVA noted in children with myopia (≤-0.50 D) and self-reported reading difficulties 1.Management
Prescription of appropriate spectacles based on refractive error correction 1.
Vision therapy tailored to improve accommodative and vergence skills, though specific drug classes or doses are not detailed in the provided abstracts 1.Special Populations
Pediatrics: Higher frequency of NSAVA observed in children aged 5-19 years, with significant association between NSAVA and reading problems 1.Key Recommendations
Conduct comprehensive ophthalmic evaluations including cycloplegic autorefraction and accommodative-vergence assessments in pediatric patients presenting with visual complaints 1 (Evidence: Moderate).
Prescribe corrective lenses based on refractive error findings to address myopia and potentially alleviate symptoms associated with NSAVA 1 (Evidence: Moderate).
Consider vision therapy for children failing NSAVA tests, particularly those reporting reading difficulties, to enhance visual function 1 (Evidence: Expert opinion).References
1 Iurescia A, Iribarren R, Lanca C, Grzybowski A. Accommodative-vergence disorders in a paediatric ophthalmology clinical setting in Argentina. Acta ophthalmologica 2024. link
2 Antonello A, D'Angelo A, Nalesso F, Capezzi M, Malagoli A, Pastori G et al.. Double urine circulation: importance of pores. Journal of nephrology 2003. link