Nagase Nagase Y Y Kurata Kurata K K Hosono Hosono K K Suto Suto K K Hikoya Hikoya A A Nakanishi Nakanishi H H Visual outcomes in Japanese patients with retinitis pigmentosa and Usher syndrome caused by USH2A mutations Visual outcomes in Japanese patients with retinitis pigmentosa and Usher syndrome caused by USH2A mutations Semin Ophthalmol Semin Ophthalmol 2018 2018 33 33 560 560 565 565 10.1080/08820538.2017.1340487 10.1080/08820538.2017.1340487 28678594 28678594. The gene discussed is USH2A; the disease is Usher syndrome.