Nystagmus im Kindesalter

Pieh, Christina; Gottlob, Irène

doi:10.1007/s00112-009-2097-4

Cited by 2 publications

(3 citation statements)

References 25 publications

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Section: Discussionsupporting

confidence: 88%

“…Our study confirms that IIN children show a normal neuropsychomotor development and IQ, consistent with the absence of CNS involvement [ 4 , 52 , 57 ]. Nevertheless, clinical experience and the known possible effects of visual (perceptual and oculomotor) impairment on different competencies [ 4 , 27 , 52 ] suggested to us to deepen the neuropsychological profiles in homogeneous subgroups in order to identify possible specific patterns. Similarly to the total IQ, the results of the WISC-IV indices (verbal comprehension index, VCI; perceptual reasoning index, PRI; processing speed index, PSI; and working memory index, WMI) were in the normal range.…”

Section: Discussionsupporting

confidence: 88%

“…As expected, nystagmus was predominantly jerk, unidirectional (horizontal) [ 52 ], and associated with moderate to severe low vision for far distances [ 16 ]. The visual performance physiologically depends on three factors: (i) the retinal image slip velocities, (ii) foveation, and (iii) the state of the health of the eye and visual pathways [ 5 ].…”

Section: Discussionmentioning

confidence: 65%

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Visual Function and Neuropsychological Profiling of Idiopathic Infantile Nystagmus

Morelli,

Catalano,

Scognamillo

et al. 2023

Brain Sciences

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Though considered a benign condition, idiopathic infantile nystagmus (IIN) may be associated with decreased visual acuity and oculo-motor abnormalities, resulting in developmental delays and poor academic performance. Nevertheless, the specific visual function profile of IIN and its possible impact on neuropsychological development have been poorly investigated. To fill this gap, we retrospectively collected the clinical data of 60 children presenting with IIN over a 10-year period (43 male; mean age of 7 years, range of 2 months-17 years, 9 months). The majority of the subjects in our cohort presented with reduced visual acuity for far distances and normal visual acuity for near distances, associated with oculo-motor abnormalities. The overall scores of cognitive and visual–cognitive tests were in the normal range, but revealed peculiar cognitive and visual–cognitive profiles, defined by specific frailties in processing speed and visual–motor integration. The same neuropsychological profiles characterize many neurodevelopmental disorders and may express a transnosographic vulnerability of the dorsal stream. As the first study to explore the neuropsychologic competencies in children with IIN, our study unveils the presence of subclinical frailties that need to be addressed to sustain academic and social inclusion.

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