LED Red Light in Modulating Choroidal Microcirculation to Retard Retinal Atrophy in Pathological Myopia

The goal of this clinical trial is to learn if LED repeated low-level red light (RLRL) therapy works to treat pathologic myopia in adults. It will also learn about the safety of LED-RLRL. The main questions it aims to answer are: Does LED-RLRL modulate choroidal microcirculation to retard retinal atrophy in pathological myopia? What medical problems do participants have when receiving LED-RLRL therapy? Researchers will compare with a sham device (identical in appearance but delivering \<10% of the original device's energy output) to see if LED-RLRL works to treat pathologic myopia. Participants will: Take LED-RLRL or sham LED-RLRL twice daily, 3 minutes per session, 5 days per week, for a total duration of 12 months. Visit the clinic once every 3 months for checkups and tests. Keep a diary of their symptoms and their visual perception.