Xq26.2 Contiguous Gene Deletion Involving FRMD7 and IGSF1: Highly Penetrant Infantile Nystagmus with Variable Endocrine Involvement Year published: 2026 | Research Type: Article Publication Author(s): Tomer Poleg, Lior Carmon, Elad Brav, Noam Hadar, Vadim Dolgin, Shirly Amar, Ginat Narkis, Ohad S. Birk, and Libe Gradstein, View on PubMed