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.
Bacterial keratitis is an infection of the cornea that causes pain, reduced vision, light sensitivity and tearing or discharge from your eye. Bacterial keratitis usually develops very quickly, and if left untreated, can cause blindness. It often results from infection from contact lens use or from an injury to the eye.erpes Keratitis. Herpes keratitis is a viral infection of the eye caused by the herpes simplex virus (HSV). Type I HSV is the most frequent cause of eye infections. Infection can be caused by touching an active cold sore or fever blister and then your eye.