Decision-making tree to support sustainable waste management in optometric clinical practice and healthcare training...

Waste management strategies are well documented for employee safety, legal compliance and infection control measures; however, appropriate waste disposal is equally important to minimise adverse environmental impacts. Knowledge on best practices related to the disposal of healthcare-generated waste is crucial for environmental sustainability.

Global healthcare contributes significantly to greenhouse gas emissions, thereby extending the pervasiveness of climate change. Urgent action is required by the healthcare sector to minimise these impacts. Proper waste management is an alleviation measure that can be easily implemented in healthcare practice. The aim of this study was to calculate the approximate mass of plastic waste generated through lens wear and develop an easy-to-use decision-making tree to support optometrists with sustainable waste management.

Data were analysed, from an online survey directed to ophthalmic lens wearers, to determine the mass of annual plastic waste associated with lens wear. Information collated from published studies and clinical experience of the researchers, supplemented by a literature search from online databases, EBSCOhost, Google Scholar, ScienceDirect and PubMed, were used to develop the waste decision-making tree.

Approximately 48 kg of plastic waste was generated from annual lens wear, of which approximately 83% of recyclable materials were landfilled. The waste management decision-making tree was created to guide optometrists regarding sustainable waste management practices.

Although this study focused on Optometry, its findings and recommendations have applicability across the healthcare field. Environmental stewardship is a joint responsibility of all healthcare professionals. This study highlighted the importance of incorporating and promoting sustainable clinical measures as well as the embedding and regular updating of clinical evidence on waste management best practices into healthcare training programmes. In doing so, the broader healthcare sector can contribute significantly towards reducing healthcare waste and associated emissions and improving health outcomes, thereby safeguarding the planet and its inhabitants.