Dada, T., Gupta, R., Tinwala, S. I., Sobti, A. and Panda, A. (2012) “Repositioning of Ahmed glaucoma valve tube in the anterior chamber with prolene sutures to manage tube-endothelial touch”, Nepalese Journal of Ophthalmology, 4(2), pp. 309–311. doi: 10.3126/nepjoph.v4i2.6549.