Diversity of familial exudative vitreoretinopathy

Familial exudative vitreoretinopathy (FEVR) is a hereditary retinal vascular dysplasia. So far, 6 genes have been found to be associated with FEVR: Wnt receptor Frizzled Protein 4, Norrie's disease, co-receptor low-density lipoprotein receptor-related protein 5, tetraspanin 12, zinc finger protein 408, and kinesin family members 11 genes. Its clinical manifestations, pathological processes and genetic patterns are diverse, and it shows the relationship between gene polymorphism and clinical manifestation diversity. It is characterized by different symptoms between the same individual, the same family, and the same gene mutation; different clinical stages and gene mutation types of parents or unilateral genetic children; different clinical characteristics and gene mutation patterns of full-term and premature infant; combined with other eye disease and systemic diseases; double gene mutations and single gene mutations have different clinical manifestations and gene mutation characteristics. A comprehensive understanding of the different clinical manifestations and diverse genetics of FEVR can provide better guidance for the treatment of FEVR. Key words: Retinal diseases/genetics; Review; Familial exudative vitreoretinopathy