Background Climate change is predicted to be one of the largest global health threats of the 21st century. Health care itself is a large contributor to carbon emissions. Determining the carbon footprint of specific health care activities such as cataract surgery allows the assessment of associated emissions and identifies opportunities for reduction. Aim To assess the carbon footprint of a cataract pathway in a British teaching hospital. Methods This was a component analysis study for one patient having first eye cataract surgery in

Identifying low-value health care practices for local disinvestment (total or partial) is both practically and politically challenging, yet it is necessary to manage health budgets. This project identified that Cochrane Reviews can potentially identify low value health care practices. However, each review has to be reinterpreted for the UK context and additional analysis has to be undertaken to facilitate local implementation. Recommendations to improve the usability of systematic reviews are made.

Acute exposure to altitude caused a statistically significant but clinically insignificant increase in IOP. This finding may be partially explained by the change in CCT. IOP returned to baseline levels and possibly lower with prolonged exposure to altitude. Changes in IOP at altitude are not predictive of symptoms of acute mountain sickness (AMS) or development of high-altitude retinopathy (HAR).

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Online forums give patients a space to air questions, grievances, suggestions and to provide mutual support. The information they contain may be of use to physicians by flagging adverse drug reactions, areas for service improvement or topics about which patients require more information. There is a risk of exposure to misleading content which is heightened in un-moderated sites. Social media platforms may be an adjunct to current care models by providing a supportive and educational online community if these risks are understood.