👉 The term "coronagraph" is used to describe a device used in the eyewear industry to help correct eye problems such as astigmatism or nearsightedness. These devices are designed to magnify the image of an object on a person's retina, allowing them to see clearly at distances that are too far away for their natural vision capabilities. Coronagraphs work by focusing light onto a screen or mirror in front of the eye, which allows it to focus on distant objects while reducing