Corneal ulcers are most commonly caused by an infection with bacteria, viruses, fungi, or a parasite. 1  Acanthamoeba keratitis occurs in contact lens users. It is more likely to happen in people who make their own homemade cleaning solutions.  Fungal keratitis can occur after a corneal injury involving plant material.
S IECUSâthe Sexuality Information and Education Council of the United States was founded in 1964 to provide education and information about sexuality and sexual and reproductive health. SIECUS affirms that sexuality is a fundamental part of being human, one that is worthy of dignity and respect.IECUS works to create a world that ensures social justice and sexual rights.
â¢ SIUM (noun). The noun SIUM has 1 sense: 1. perennial of wet and marshy places in the northern hemisphere: water parsnips. Familiarity information: SIUM used as a noun is very rare.ium suave; water parsnip (stout white-flowered perennial found wild in shallow fresh water; northern United States and Asia).