In this prospective study , a cohort of 91 eyes with congenital cataract and 25 eyes normal eyes from Wenzhou medical university was erolled.91 eyes with congenital cataract was after lensectomy and anterior vitrectomy as test group, 25 normal eyes as control group. The a- and b-wave and PhNR related parameters was evaluated.
Secondary IOL implantation in aphika children and lensectomy and anterior vitrectomy and primary IOL implantation in children with congenital cataract were both performed by the same surgeon(Z.Y.E). electroretinography and photopic negative response are performed to each patient.The research was to evaluate the relationship between the best corrected visionn and the related parameters of a- and b-wave and PhNR .
Study Type
OBSERVATIONAL
Enrollment
116
Eye Hosptial of Wenzhou Medical College
Wenzhou, Zhejiang, China
ERG
investigate retinal function changes of congenital cataract children. ERG related parameters including a- and b-wave and PhNR amplitude and latency.
Time frame: at least 1year after the surgery of congenital cataract
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