CD Tesis
Hubungan Pajanan Debu Dengan Angka Kejadian Penyakit Peradangan Mata (Konjungtivitis)
Conjunctivitis is inflammation of the conjunctiva or inflammation of the mucous membrane that covers the back of the eyelid and eyeball, in acute and chronic forms. Conjunctivitis can be caused by bacteria, chlamydia, allergies, toxic viruses, associated with systemic diseases. Inflammation of the conjunctiva or conjunctivitis can also occur due to smoke, wind and light (Ilyas, 2014). Common signs and symptoms of conjunctivitis are red eyes, dirt in the eyes, hot eyes like foreign objects entering, watery eyes, sticky eyelids, impaired vision, and are easily spread about both eyes (Ilyas, 2014). Research conducted in the Netherlands shows that this disease does not only affect one eye, but can affect both eyes, with a ratio of 2.96 in one eye and 14.99 in both eyes (Majmudar, 2010).
Based on preliminary studies conducted by researchers at Selasih District Hospital in Pelalawan Regency, especially in the Eye Clinic in 2015 from medical record data and monthly reports at the Eye Polyclinic recorded 54 cases of conjunctivitis which occupy the 10th most diseases. Until now, based on the results of the author's interview with the Head of Training and Development Section of Selasih Regional Hospital, Pelalawan Regency, research on eye health problems has never been done before. The results of the survey of dust concentration on the incidence of conjunctivitis need further research. The purpose of this study aims to determine the effect of exposure to SO2 and NO2 dust with the incidence of conjunctivitis who come for treatment at the Polyclinic of Selasih Hospital in Pelalawan Regency in 2018.
The study was conducted at the Eye Polyclinic of Selasih District Hospital in Pelalawan Regency. This study uses a case control research that is a study by comparing between case groups and control groups based on their exposure status (retrospectively) the direction of their investigation, the design moves from effect (disease) to cause (exposure). The minimum number of samples is 45 people. The larger the sample taken, the closer to the abnormal distribution. Based on calculations, obtained a minimum sample size that must be taken as many as 45 people, with a comparison of the sample size between cases: control = 1: 1, where the sample consists of 45 respondents as a case group and 45 respondents as a control group, so that the total sample size is 90 the sample. To avoid drop out, add 10% (9 samples) to 99 to be 100 samples, divided into 50 cases and 50 controls.
Analysis of the data used by statistical tests using a computer program analyzed the characteristics of respondents' characteristics of conjunctivitis, age, duration of exposure, history of eye disease and the use of PPE about the occurrence of conjunctivitis. Furthermore, the researchers conducted an analysis of the variables with numerical data analyzed using mean, standard deviation and minimum-maximum values, all data were analyzed with a significance level of 95% (α = 0.05). The results of the study are displayed in the form of frequency distributions in the form of categorical data explained using frequency distributions and proportions. To find out the statistical tests used to see the significance and magnitude of the relationship between these variables, the Chi Square test was performed. Meanwhile, to see the clarity about the dynamics of the relationship between risk factors and effect factors seen through the value of the odds ratio (OR).
Conjunctivitis generally causes the conjunctiva to turn red and inflamed, the conjunctivae generally become normal again within a few days. Conjunctivitis arises when a person is exposed to normal SO2 above 800 mg / m3. In this study it is known that SO2 that does not meet the requirements as much as 51%. Based on the results of the study obtained data that SO2> NAV (51%) and of 51 respondents who were S02> NAV obtained 30 respondents (48.4%) who had conjunctivitis. Through the chi square statistical test, obtained p value = 0.644, α> 0.05, then there is no effect of SO2 dust concentration with the incidence of conjunctivitis.
Conjunctivitis generally causes the conjunctiva to turn red and inflamed, the conjunctivae generally become normal again within a few days. Conjunctivitis occurs when a person is exposed to normal SO2 levels above 1,000 mg / m3. In this study it was found that SO2 that did not meet the requirements was 41%. Based on the results of the study obtained data that NO2 0.05, then there is no effect of NO2 dust concentration with the incidence of conjunctivitis. The results of the study also analyzed dust levels in the air with a TSP (Dust) quality standard of 230 mg / m3 in the research results found in the field of TSP (Dust) of 678 mg / m3 there were about 448 mg / m3 of dust which had an impact on eye health even though it was not there is an influence of SO2 and NO2 dust concentrations with the incidence of conjunctivitis. Based on the data it is known that the majority of respondents in this study were in the age category> 31 years (72%) with respondents who were above 40 years (65%) who were susceptible to conjunctivitis. Through the chi square statistical test obtained p value = 0.393, α> 0.05 means that there is no influence of age with the incidence of conjunctivitis. This is because in this study the number of respondents who are above the age of 40 years (65%) is not comparable with the number of respondents who are under the age of 40 years (35%). Not only age, actually there are still many things that cause no conjunctivitis on respondents, namely the use of PPE, cosmetics around the eyes and contact lenses. Through this study it was found that 63% of them had used PPE, 74% of them did not use cosmetics in the eye area and 97% did not use contact lenses. Respondents above the age of 40 years in this study were minimal in the use of contact lenses and cosmetics so that the risk of conjunctivitis was less.
Patients exposed to dust> 8 hours (66%) and from 66 respondents exposed to more than 8 hours found 49 respondents (79%) who had conjunctivitis. Through the chi square statistical test, obtained p value = 0.001, α
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