A 27-year-old female presents with a 7-year history of decreased vision in both eyes. She has no other symptoms or complaints. Preceding ocular, medical, and social histories are all unremarkable. Best corrected visual acuity is 20/40 right eye and 20/32 left eye. Slit lamp examination reveals the findings seen in these photos of the right and left eyes respectively. Posterior segment examination was normal. What could be happening?