Due to unforeseen circumstances CET module Hearing impairment interactive (September 29 issue) is not yet available. We apologise for any inconvenience this may cause and are working to have the module available as soon as possible.

Peter Mitchell discuss the principles and protocols of the English National Diabetic Eye Screening Programme and examines its impact upon the detection and management of diabetes eye disease and how appropriate referral when sight-threatening eye disease is detected can prevent sight loss

In the second of a three-part discussion of the key points from the recently published second TFOS Dry Eye Workshop, Sarah Farrant describes the recommendations for the assessment of dry eye disease

In the latest of his occasional updates about the latest developments in eye health care, Dr Douglas Clarkson describes recent advances in ophthalmic surgery employing robotic technology

Professor Fiona L Henriquez continues the series about microbial keratitis with a discussion of viral disease

Professor Desmond Fonn starts our series on myopia and therapy with a review of the nature of myopia and its current and projected impact

Dr Catherine Williams describes the nature of the cardiovascular system, how health is assessed and what common diseases affect it

In the second part of this feature on pigmentary lesions seen at the fundus, Ceri Probert continues discussion of the clinical signs of individual lesions including melanoma

In the first of a two-part feature looking at pigmentary lesions seen at the fundus, Ceri Probert describes the underlying mechanism for pigment aggregation and begins to look at the clinical features of lesions such as naevi

In the first of a three-part discussion of the key points from the recently published second TFOS Dry Eye Workshop, Sarah Farrant describes the latest definition and classification of dry eye disease