Osteoporosis-Pseudoglioma Syndrome, also known as oppg, is related to retinal detachment and persistent hyperplastic primary vitreous. An important gene associated with Osteoporosis-Pseudoglioma Syndrome is LRP5 (LDL Receptor Related Protein 5), and among its related pathways/superpathways are Signal Transduction and RAF/MAP kinase cascade. The drugs Sodium citrate and Lithium carbonate have been mentioned in the context of this disorder. Affiliated tissues include bone and eye, and related phenotypes are osteoporosis and increased susceptibility to fractures