An ESL class is different because it often includes students who speak a variety of languages. The teacher must use techniques that all of these students will understand. Pictures are one of the most used tools because most children know, for example, what a dog, flower, or a car looks like.
Keratitis, the eye condition in which the cornea becomes inflamed, has many potential causes. Various types of infections, dry eyes, injury, and a large variety of underlying medical diseases may all lead to keratitis.Some cases of keratitis result from unknown factors.eratitis facts. 1  Keratitis is the medical term for inflammation of the cornea. 2  Keratitis has many causes, including infection, dry eyes, physical and chemical injury, and underlying medical diseases. 3  The diagnosis of keratitis can be confirmed by the use of a slit lamp.
Keratosis pilaris results from the buildup of keratin â a hard protein that protects skin from harmful substances and infection. The keratin forms a scaly plug that blocks the opening of the hair follicle. Usually many plugs form, causing patches of rough, bumpy skin. No one knows exactly why keratin builds up.