In the United Kingdom, a national diabetic retinopathy screening service has pioneered the use of remote monitoring of disease at a population level. Glaucoma has persistently frustrated clinicians and those who have tried to apply a similar model of diagnosis and monitoring. In this month's issue Strouthidis et al1 discuss the barriers to remote diagnosis of glaucoma and review the future prospects for telemedicine in this area.

There are a number of grading systems of clinically significant diabetic macular oedema. Bolz et al2 …