Blue blocking and comfort filters

It is important to be familiar with the reasons behind a patient’s eye conditions to be able to successfully provide low vision solutions. Patients often want to learn more about the cause of their visual impairment, its likely progression and approaches that could potentially be taken to combat it. When taking a patient’s medical history and fitting a visual aid, knowing the medical basics also makes it easier to understand what patients say.

Once the basic values such as refractive error, visual acuity and contrast sensitivity have been established, the magnification power required for near and distance viewing is determined. It can be significantly reduced with appropriate lighting. Find out here, step by step, how to determine the relevant magnification power and required lighting for different visual tasks.