Correspondence to Dr Mingzhi Zhang, Department of Ophthalmology, The Joint Shantou International Eye Center of Shantou University and The Chinese University of Hong Kong, Dongxia Road, Jingping ...

Correspondence to Professor Sunil Shah, Birmingham and Midland Eye Centre, City Hospital, Dudley Road, Birmingham B18 7QH, UK; sunilshah{at}doctors.net.uk ...

Department of Ophthalmology, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK Correspondence to: Dr Caroline Cobb, Department of Ophthalmology, Ninewells Hospital and Medical School, Dundee ...