The Weight on Sight: Exploring the Links Between Obesity and Ocular Diseases

Obesity is a significant public health concern with escalating levels worldwide creating a variety of socioeconomic challenges and imposing a serious risk factor for a range of complications which include diabetes, hypertension, cardiovascular disease, and stroke, all of which are primary causes of early death. Furthermore, there is growing evidence connecting obesity to the development of several ocular disorders. Excessive weight is a common denominator in the aetiology of many ocular pathologies such as diabetic retinopathy, idiopathic intracranial hypertension, cataract, high intraocular pressures, age-related macular degeneration, and retinal vascular diseases through the association with diabetes, hypertension, and dyslipidemia. This review highlights the risks weight gain and a sedentary lifestyle imposes on patients' ocular health and aims to inform the public and raise awareness about the consequences obesity has on sight. This review explores articles available on Ovid-MEDLINE (Medical Literature Analysis and Retrieval System Online) and PubMed regarding the impact of obesity on ocular health and the pathogenesis of obesity-linked ocular diseases.