Retinoschisis is usually a rare self-limited disease and seldom shows progression. There a splitting of the neurosensory retina occurs usually in the inferior temporal. Patients usually have good visual acuity and are asymptomatic. Combination of an inner and outer layer hole is considered high risk factor for development of a schisis detachment. The most important differential diagnosis is an retinal detachment, since if misdiagnosed unnecessary treatment is provided. In clinical examination, both can appear very thin and transparent.