Eye infections are a common health condition that occurs when harmful microorganisms such as viruses, bacteria, and fungi invade the eye's tissues, causin vision problems. There are several synonyms for the term 'eye infections,' including conjunctivitis, pink eye, ophthalmia, keratitis, corneal ulcers, uveitis, blepharitis, and bacterial eye infections. Conjunctivitis, also known as pink eye, is the most common type of eye infection characterized by the inflammation of the conjunctiva. Ophthalmia is a more severe form of conjunctivitis that affects newborns. Meanwhile, keratitis is an inflammation of the cornea, whereas corneal ulcers are sores on the cornea's surface. Uveitis is an infection of the middle layer of the eye, and blepharitis is an inflammation of the eyelids.