1. Pratoomsoot, C. et al. A thermoreversible hydrogel as a biosynthetic bandage for corneal wound repair. Biomaterials 29, 272–281, doi: 10.1016/j.biomaterials.2007.09.031 (2008).
2. Whitcher, J. P., Srinivasan, M. & Upadhyay, M. P. Corneal blindness: a global perspective. Bull World Health Organ 79, 214–21 (2001).
3. World Health Organization. Prevention of blindness and visual impairment: priority eye diseases Available from URL: http://www.who.int/blindness/causes/priority/en/index9.html .
4. Cornea transplantation fact sheet. Available from URL: http://www.organdonation.nhs.uk/newsroom/fact_sheets/cornea_transplantation_fact_sheet.asp .
5. World Health Organization. Visual impairment and blindness. Fact sheet no. 282. Available from URL: http://www.who.int/mediacentre/factsheets/fs282/en/index.html (2012).