EYE DISEASE
... A corneal ulcer is an “non- The eye is one of the vital organs in a human being. ... The cornea is a clear covering over the colored iris and the pupil of the eye. ... so that the eye can see. ... Some of these symptoms include the following: eye redness, tearing increases, vision impairs, eye burning, itching, and photophobia (sensitive to light) start to develop (Medlineplus). ... Visual acuity test, Slit-lamp test, and Shirmers (tear) test are some of the tests that a doctor conducts during eye examination. Visual acuity test allows the doctor to measure a person’s vision by reading the eye chart. ... Its use is to look in the interior of the eye with the built-in laser and a camera (figure 7). Shirmers test determines whether or not there is enough tears to keep the eye moist. ... Many times, corneal ulcer is treated in the doctor’s office using eye drops. The eye drops are used to treat minor corneal ulcers. Depending on the microorganism that causes that corneal ulcer, many different varieties of eye drops can be used. ... Necrosis is a death of a tissue in response to a disease or an injury (Medical Dictionary). ... Corneal perforation is the most dangerous complication because it threatens the loss of an eye. ... Previous injuries or diseases in the eye play a major role in causing bacterial keratitis. ... A corneal specialist does many lab studies and imaging studies to find out information on the particular corneal disease. ... The major symptoms that deal with fungal keratitis are the following: increase eye pain, visual acuity, and hypersensitivity to light (photophobia). ... A person may have herpes simplex keratitis if they have the following symptoms: Pain in the eye, photophobia, blurred vision, tearing, and redness in the eye. ... Neurotrophic keratopathy only develops if the patient has any previous contact with HSV disease. ... Endotheliitis may cause inflammation in the cornea of the eye (Wang). ... It can be a vision threatening disease. ... It is also a vision threatening disease because of harmful destruction of the cornea. ... The fungi enter the eye from dust and penetrate the cornea. ... PKP is proven very ineffective to treat this disease. This disease is often treated with combination of different antibiotics.