Manmohan Singh | Maharaja Ranjit Singh | Anurag Singh | Yuvraj Singh | Ranjit Singh | Jagjit Singh | Vijay Singh | Guru Gobind Singh | Bhagat Singh | Karan Singh | Khushwant Singh | Jai Singh I | Hari Singh | Talvin Singh | Simranjit Singh Mann | Parkash Singh Badal | Yograj Singh | Upasana Singh | Tiger Jeet Singh | Satendra Singh | Raj Singh | Mulayam Singh Yadav | Karamjit Singh | Harbhajan Singh | Ajit Singh | Sukhbir Singh Badal | Rawal Ratan Singh | Rajendra Singh | Pradeep Singh | Jaspreet Singh |
Dua's layer, according to a 2013 paper by Harminder Singh Dua's group at the University of Nottingham, is a layer of the cornea that had not been detected previously.
Harminder Singh Dua (born in Jalandhar, Punjab) is an Indian-British medical doctor and researcher (with MBBS, DO, DO (Lond), MS, MNAMS, FRCS, FRCOphth.