Abstract
X-linked retinoschisis (XLRS) is an inherited vitreoretinal disorder associated with mutations in the RS1 gene located on Xp22 [40]. It was initially described by Haas in 1898 in two affected male patients who presented with the typical radiating cystic maculopathy [18]; an X-linked pattern of inheritance was first suggested by Pagenstecher in 1913 [30]. The term “retinoschisis” was first proposed by Wilczek in 1938 [48]. Since then, the disorder has been reported worldwide with an estimated incidence of between 1/5,000 and 1/20,000 [12]. There is a higher prevalence in Finland (about 1/14,000) due to three founder mutations [20]. The clinical manifestations are highly variable in affected males even within families. Female carriers generally have a normal eye examination, but may occasionally show subtle abnormalities. There have been a few reports of affected females with homozygous RS1 mutations in families with parental consanguinity [2, 39].
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Audo, I., Mohand-Saïd, S., Sahel, JA., Holder, G.E., Moore, A.T. (2014). X-Linked Retinoschisis. In: Puech, B., De Laey, JJ., Holder, G. (eds) Inherited Chorioretinal Dystrophies. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-69466-3_42
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