Purpose: The purpose of this study was to investigate if there was a difference in the tear film’s osmolarity before and after drinking coffee. ' Method: All subjects in this study were asked to fill in a questionnaire to diagnose factors in their subjective symptoms, the questionnaire TERTC-DEQ. The subjects with a total graduated points of over 17 were not allowed to participate in the further measurements. In the study there was a total amount of 38 subjects, were 5 participated twice for both measurements, coffee and water. The measurements were done by TearLab to bring the the osmolarity values, of coffee and water, the before and after measurements, to be compared with each column. Each subject was measured before the drinks was served, 200 milliliters of water or 200 milliliters of coffee. 45 minutes after the first measurement, after the intake of one of the liquids, then the second measurement was occured with TearLab. All of these values and measurements was later compared to each columns of coffee or water. Results: There was no significant difference between neither the coffee or water results (p>0,05). Though there was a little quotable difference between the before and after measurement values of coffee, but not significant. Conclusion: There was no significant difference related to coffe drinking and tear osmolarity. There is no contribution to the tear film’s osmolarity and it will not work as a factor into the dry eyes diagnosis.
| Identifer | oai:union.ndltd.org:UPSALLA1/oai:DiVA.org:lnu-35953 |
| Date | January 2014 |
| Creators | Klinthage, Jakob |
| Publisher | Linnéuniversitetet, Institutionen för medicin och optometri (MEO) |
| Source Sets | DiVA Archive at Upsalla University |
| Language | Swedish |
| Detected Language | English |
| Type | Student thesis, info:eu-repo/semantics/bachelorThesis, text |
| Format | application/pdf |
| Rights | info:eu-repo/semantics/openAccess |
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