👉 A coronagraphic is a type of vision correction device that uses lenses to create an image in front of the eye. These devices are used to correct nearsightedness, farsightedness, and astigmatism, as well as to prevent or reduce blur caused by these conditions. Coronagraphic lenses typically consist of one or more curved mirrors that focus light onto a lens, which then creates a virtual image in front of the eye. This correction is often used to help individuals with vision
