CLRN1 mutations cause non-syndromic retinitis pigmentosa.

Khan, M.I., Kersten, F.F.J., Azam, M., Collin, R.W.J., Hussain, A., Shah, S.T.A., Keunen, J.E.E., Kremer, H., Cremers, F.P.M., Qamar R., and den Hollander, A.I.  Ophthalmology, 7:1444-1448, (2011).