Ocular surface squamous neoplasia (OSSN) is a broad entity that includes dysplastic lesions involving the squamous epithelium of conjunctiva and cornea. It is commonly seen in males between 50 and 75 years of age and has higher incidence in places close to the equator. Although a disease seen in 75% of cases unilaterally in older males. the younger cohort can have a bilateral presenta... https://www.trangtinamthuc.com/product-category/sunglasses/