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How to Obtain Reliable Visual Event-related Potentials in Newborns

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Published on: October 24, 2019

Visual processing in adolescents born extremely low birth weight and/or extremely preterm.

Carly S Molloy¹, Michelle Wilson-Ching, Vicki A Anderson

¹Critical Care and Neurosciences, Murdoch Childrens Research Institute, Melbourne, Australia. carly.molloy@mcri.edu.au

|August 7, 2013

Summary

Extremely low birth weight (ELBW) or extremely preterm (EP) adolescents have significantly poorer visual acuity and function compared to normal birth weight peers. These visual impairments persist into late adolescence, highlighting ongoing challenges despite medical advancements.

Keywords:

extremely low birth weight extremely preterm visual acuity visual perception visual processing

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Published on: December 14, 2012

Area of Science:

Ophthalmology
Neonatalogy
Developmental Pediatrics

Background:

Infant ocular development differs between preterm and term-born infants.
Long-term visual outcomes in extremely low birth weight (ELBW) or extremely preterm (EP) survivors lack contemporary data.
ELBW/EP infants face potential long-term negative consequences for visual function.

Purpose of the Study:

To compare visual functioning between ELBW/EP adolescents and normal birth weight (NBW) controls.
To assess long-term visual outcomes in high-risk infant survivors.
To provide contemporary data on visual morbidity in late adolescence for ELBW/EP individuals.

Main Methods:

Geographically determined cohort study of 228 ELBW/EP survivors and 166 NBW controls.
Participants assessed between 14 and 20 years of age.
Evaluated visual acuity, stereopsis, convergence, color perception, and visual perception.

Main Results:

ELBW/EP adolescents demonstrated significantly worse visual acuity in both eyes and for the best eye.
Poorer stereopsis (OR 3.22) and convergence (OR 2.76) were observed in the ELBW/EP group.
ELBW/EP adolescents experienced more visual perception problems (OR 3.09) compared to controls.

Conclusions:

Visual morbidity remains high in late adolescence for ELBW/EP survivors.
Despite improved medical care, significant visual deficits persist in this high-risk population.
Long-term follow-up and visual support are crucial for ELBW/EP individuals.