Summary
Digital displays are ubiquitous in modern daily life. In many areas, such displays have replaced, or are in the process of replacing, conventional items such hard-copy books, analogue watches and car dashboard gauges. Similarly, many clinical vision tests are increasingly being presented on a range of modern visual displays ranging from LCD monitors to OLED displays for use in the home and clinical settings; a move away from antiquated (but still regularly used) non-digital systems. Measurements obtained from these devices are relied upon by clinicians to make decisions about patient wellbeing and treatment, and therefore need to be fit-for-purpose to meet the challenges of modern-day clinical practice. Despite the positive move to more modern platforms, it is still imperative that legacy measures, often collected over decades, can be incorporated into the determination of disease stability or otherwise. Thus, there is a need to ensure that the benefits of novel platforms are not offset by an inability to use legacy data.