Effects of early reduced light exposure on central visual development in preterm infants.
The aim of this study was to determine, in infants born at < or =29 weeks postmenstrual age until 32 weeks postmenstrual age, whether reduction to light stimulation by occlusion of eyes affected central visual development. The pattern visual-evoked potential responses at 41 and 51 weeks postmenstrual age and 3 y of age did not differ between infants subjected or not to ocular occlusion. Hence, an early marked reduction in light stimulation in preterm infants does not seem deleterious to visual development.
Roy
M S
MS
Department of Ophthalmology, Research Centre Ste-Justine Hospital, University of Montreal, Quebec, Canada. roymarie@ere.umontreal.ca
Caramelli
C
C
Orquin
J
J
Uleckas
J
J
Hardy
P
P
Chemtob
S
S
D000367:Age Factors; D005074:Evoked Potentials, Visual / Q000502:physiology / Q000528:radiation effects; D005135:Eye Protective Devices; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature / Q000502:physiology*; D008027:Light; D010775:Photic Stimulation; D011930:Reaction Time; D012044:Regression Analysis; D012178:Retinopathy of Prematurity / Q000517:prevention & control; D013995:Time; D014785:Vision, Ocular / Q000502:physiology / Q000528:radiation effects*