MUMBAI: Dengue, in rare instances, has been known to cause blindness.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/beware-dengue-can-leave-its-victim-blind
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-mumbai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mumbai
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dengue
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vector-borne-diseases
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/eye-diseases
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health