https://www.selleckchem.com/pr....oducts/n-formyl-met-
Further research is needed to refine screening protocols. Currently, providers should consider baseline examination and examination at 5 years and/or 500 g of exposure followed by yearly screening. Reasonable evidence associates maculopathy with extended exposure to PPS, with an average reported incidence of around 20% in patients with long-term exposures. Patients with unexplained retinal pigment epithelium changes and difficulty with dark adaptation should be questioned regarding PPS exposure, and patients with known