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KMID : 1159320170190040495
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Korean Journal of Vision Science
2017 Volume.19 No. 4 p.495 ~ p.502
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Evaluation of Cellulose and Super-Absorbent-Polymer as an Absorbent of Tube-type Tear Test Kit
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Park Jung-Eun
Song In-Chang
Jeong Myeong-Jin
Lee Koon-Ja
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Abstract
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Purpose: To evaluate the efficacy of cellulose (CEL) filter and super-absorbent-polymer (SAP) as an absorbent of tube type tear test kits.
Methods: Tube type tear test kits (kit-CEL and kit-SAP) were made by inserting cellulose filter and super absorbent polymer respectively. To evaluate the repeatability of tear test kits made, the tip of the test kits were immersed for 1 to 5 seconds into solutions of 0.1, 0.5, 1.0, 1.5 and 2.0 ㎕. The experiment was repeated for 10 times, respectively. Correlation analysis and multiple regression analysis were performed for the effect of the amount of solution and absorption time on absorbed distance of the tear test kits.
Results: The absorbed distances of the kit-CEL and kit-SAP were significantly increased with the volume of solution and absorption time, however kit-CEL showed lineality within 2 μl and kit-SAP showed lineality within 1.5 μl of solution. The absorption lengths of the kit-CEL and kit-SAP were correlated with the volume of solution and absorption time that correlation coefficients (r) were 0.683 and 0.705 with the volume of solution and 0.665 and 0.530 with the absorption time. The power of explanation (R2) of the kit-CEL and kit-SAP were 0.840, 0.776 for the volume of solution and absorption time. The reliability of the kit-CEL and kit-SAP were measured as 0.998 and 0.987 respectively.
Conclusion: The kit-CEL and kit-SAP showed good accuracy and high power of explanation for the volume of solution and absorption time that both kits could be evaluated as suitable tools for tear volume test, however, the kit-CEL could be more useful than kit-SAP.
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KEYWORD
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Tear test, Tube-type tear test kit, Lower lid meniscus, Tear volume
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