P you might possibly offer definitions of key terms, although it is often a good idea to save this until you use these words in the essay and you can then offer definitions when they become relevant to the reader rather than hitting them with all of the definitions in a big, boring, confusing mass right at the start.
Thygeson's superficial punctate keratopathy (TSPK; also Thygeson Superficial Punctate Keratitis) is a disease of the eyes. The causes of TSPK are not currently known, but details of the disease were first published in the Journal of the American Medical Association in 1950 by Phillips Thygeson-after whom it is named. patient with TSPK may complain of blurred vision, dry eyes, a sensation of having a foreign body stuck in the eye, photophobia (sensitivity to bright light), burning sensations and watery eyes.
Pink Eye is also known as Conjunctivitis or Madras eye. It is the inflammation of the inner surface of the eyelid, or the outer layer of the eye. Bacterial Conjunctivitis. Understanding the causes of this inflammation helps to treat the symptoms and prevent the reoccurrence of Pink Eye. The most common cause of conjunctivitis is a bacterial infection and it usually affects just one eye initially. There are various different types of bacteria which may cause this problem. Bacterial pink eye is often diagnosed by a sticky discharge from the eye which may be slightly yellow or green.