How To Spot And Diagnose X-Linked Retinoschisis

X-linked retinoschisis is a genetically inherited condition that primarily affects individuals with XY chromosomes. The condition is most often diagnosed during childhood, sometimes when infants are as young as three months old. The most characteristic symptom is a reduction in vision that isn't improved with glasses. Some patients experience progressive vision loss over the course of their life, but others have fairly stable vision. X-linked retinoschisis occurs when a mutation in the RS1 gene located on the X chromosome causes the body to improperly produce retinoschisin. Normal retinoschisin is important to help the retina develop and be maintained throughout an individual's life. With X-linked retinoschisis, the retina's layers split, which disrupts the inter-cell communication and leads to loss of vision.

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Strabismus

Strabismus occurs when the eyes don't align properly. Normally, the two eyes work together to gather and interpret visual data. With strabismus, only one eye looks at the object the individual is viewing, while the other is aligned inward, upward, outward, or downward. Patients with X-linked retinoschisis may present with strabismus because of the separation of the layers of the retina. There are different types of strabismus. It can be intermittent or constant. Sometimes it affects only one eye, while other patients may alternate in the eye that focuses. To stop from developing double vision, the brain disregards the visual data that the misaligned eye provides, which tends to lead to 'lazy eye.'

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