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ÀÌÇöÁÖ ( Lee Hyun-Joo ) 
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Abstract

¸ñÀû: º» ¿¬±¸´Â ·»ÁîÀÇ ÀçÁú°ú Ãà¾ÈÁ¤¼³°è°¡ ¼­·Î ´Ù¸¥ 3Á¾ÀÇ Å丯¼ÒÇÁÆ®ÄÜÅÃÆ®·»Áî(ÀÌÇÏ Å丯SCL)¿¡¼­ NIBUT(´«¹°¸·¾ÈÁ¤¼º Å×½ºÆ®)¿Í ÇÔ²² ÃàȸÀü Á¤µµ ¹× ±³Á¤È¿°ú¸¦ ºñ±³ÇÏ°íÀÚ ÇÏ¿´´Ù.

¹æ¹ý: ¾È°ú ÁúȯÀ̳ª ¾È°ú ¼ö¼úÀÌ ¾ø´Â 19(38 ¾È)¸íÀÇ ´ë»óÀÚ¿¡°Ô ¼­·Î ´Ù¸¥ 3Á¾ÀÇ Toric SCL¸¦ Âø¿ëÇÏ°Ô ÇÏ¿´´Ù. 3Á¾ÀÇ ·»Áî·Î´Â ÀÌÁß½û±âÇü µðÀÚÀη»Áî(A_lens), ASD µðÀÚÀη»Áî(B_lens), ÇÁ¸®Áò¹ë·¯½ºÆ® µðÀÚÀη»Áî(C_lens)¸¦ »ç¿ëÇÏ¿´´Ù. ´«¹°¸·¾ÈÁ¤¼ºÀ» È®ÀÎÇϱâ À§ÇØ ´ë»óÀÚ¿¡°Ô 3Á¾ÀÇ ·»Á Âø¿ë½ÃÅ°°í Oculus Keratograph¸¦ »ç¿ëÇÏ¿© NIBUTÀ» ÃøÁ¤ÇÏ¿´°í, ±³Á¤È¿°ú´Â ¾È°æ±³Á¤ ½Ã·Â°ú ·»ÁîÂø¿ë ½Ã·ÂÀ» ºñ±³ ¹× Ä«¸Þ¶ó°¡ ÀåÂøµÈ ½½¸´·¥ÇÁ¸¦ ÀÌ¿ëÇÏ¿© ·»ÁîÂø¿ë»óÅÂÀÇ È¸ÀüÃàÀÇ Á¤µµ¸¦ ÃøÁ¤ÇÏ¿´´Ù. ¸ðµç °Ë»ç´Â ·»Áî Âø¿ë 20ºÐ ÈÄ(´Ü½Ã°£Âø¿ë), 8½Ã°£ ÈÄ(Àå½Ã°£)¿¡ ½Ç½ÃÇÏ¿´´Ù.

°á°ú: ±³Á¤½Ã·ÂÀº A·»Áî°¡ Âø¿ëÃʱ⿡´Â Áß°£Á¤µµ¸¦ º¸¿´°í, Àå½Ã°£ Âø¿ë ÈÄ¿¡´Â ¿ì¼öÇÑ °á°ú¸¦ º¸¿´´Ù. NIBUTÀÇ °á°ú B·»Áî´Â Âø¿ëÃʱ⠰¡Àå ¿ì¼öÇÏ¿´À¸³ª(p<0.050), Àå½Ã°£ Âø¿ë ÈÄ¿¡´Â A·»Áî¿Í ºñ½ÁÇÑ °á°ú¸¦ ³ªÅ¸³»¾ú´Ù(p>0.050). Ãà¾ÈÁ¤¼ºÀº Âø¿ëÃʱâ A·»Áî°¡ °¡Àå ¿ì¼öÇÏ¿´´Ù(p<0.050). ±×·¯³ª, Àå½Ã°£ ÈÄ¿¡´Â B·»Áî°¡ ¿ì¼öÇÏ¿´À¸³ª Åë°èÀûÀ¸·Î´Â À¯ÀÇÇÏÁö ¾Ê¾Ò´Ù(p>0.050).

°á·Ð: ÇÏÀ̵å·Î·Î°Ö ¼ÒÀçÀÎ A·»Áî´Â ±³Á¤½Ã·ÂÀº °¡Àå ¿ì¼öÇÏ¿´À¸³ª, ´«¹°¸·¾ÈÁ¤¼ºÀÌ Âø¿ëÃʱ⠺¸´Ù Âø¿ë½Ã°£ÀÌ È带¼ö·Ï ³·¾ÆÁö´Â °æÇâÀº Àå½Ã°£ Âø¿ëÀ¸·Î ÀÎÇÏ¿© ·»ÁîÀÇ ÇÔ¼öÀ² À¯Áö°¡ ¾î·Á¿öÁö´Â °ÍÀÌ ¿äÀÎÀ¸·Î »ç·áµÇ¸ç, B·»Áî°¡ ·»ÁîÂø¿ë Ãʱ⿡ ÇÏÀ̵å·Î°Ö ¹× ½Ç¸®ÄÜÇÏÀ̵å·Î°Ö º¸´Ù ´«¹°¸·¾ÈÁ¤¼º ¹× Ãà¾ÈÁ¤¼ºÀÌ ¾çÈ£ÇÑ °ÍÀº Ç¥¸é¿¡ ½ÀÀ± ó¸®¿Í Ãà¾ÈÁ¤È­ µðÀÚÀÎÀÇ ¿µÇâÀ¸·Î »ý°¢µÈ´Ù. ¶ÇÇÑ, ½Ç¸®ÄÜÇÏÀ̵å·Î°Ö ¼ÒÀç ÇÁ¸®Áò¹ë·¯½ºÆ® µðÀÚÀÎÀÇ C·»ÁîÀÇ °æ¿ì ¾ÈÁ¤µÈ ±³Á¤½Ã·ÂÀ» º¸¿© ÁÖ¾úÀ¸³ª ´«¹°¸·¾ÈÁ¤¼º ¹× Ãà¾ÈÁ¤¼ºÀÇ °á°ú´Â °¡Àå ºÒ·®ÇÏ¿´´Ù. ÀÌ´Â ½Ç¸®ÄÜÇÏÀ̵å·Î °ÖÀÇ Ç¥¸é ó¸® ¹æ¹ýÀÇ º¸¿ÏÀÌ ´õ¿í ÇÊ¿äÇÏ´Ù°í »ý°¢µÈ´Ù.

Purpose: The Purpose of this study was to compare the degree of axial rotation and NIBUT of toric soft contact lenses which were three types of different materials and axial stability designs.

Methods: Nineteen subjects without ophthalmologic diseases or ophthalmic surgery were participated. This study utilized three types of Toric Soft Contact Lens (SCL). One of them was double thin zone design lens (A-lens), the second was ASD lens (B-lens), and the third was prism ballast design lens (C-lens). Subjects were wearing the toric SCL to find out NIBUT for tear film stability and degree of the rotation for axial stability. All examinations were conducted after wearing SCL for two different wearing times such as 20 minutes (short time) and 8 hours (long time).

Results: The ¡°A-lens¡± corrected visual acuity was moderate at the initial wearing, and excellent after long time wearing. The result of NIBUT showed that ¡°B-lens¡± was the best in initial wearing(p<0.050), but after long time wearing it showed similar result to ¡°A-lens¡±(p>0.050). The best axial stability was ¡°A-lens¡± in the initial wearing(p<0.050). However, after wearing for long time, the ¡°B-lens¡± was excellent was not statistically significant(p>0.050).

Conclusion: The hydrogel material ¡°A-lens¡± showed best corrected visual acuity, while the tendency of tear film stability to decrease was thought to be difficult to maintain surface wetness due to long time wearing. ¡°B-lens¡± had better tear film stability and axial stability than the others in the early stage of lens wearing due to the effect of wet treatment on the surface and axial stability design. In the ¡°C-lens¡± with the silicone hydrogel material, the corrected visual acuity was good in both different wearing times. The tear film stability and the axial stability were however the poorest. It is considered that the great improvement for a method of surface treatment of silicone hydrogel is necessary.

Å°¿öµå

Ãà¾ÈÁ¤¼º; ÇÏÀ̵å·Î°Ö; ½Ç¸®ÄÜÇÏÀ̵å·Î°Ö; Ç¥¸é ½ÀÀ± ó¸® ÇÏÀ̵å·Î°Ö; ´«¹°¸· ¾ÈÁ¤¼º
Axial stability; Hydrogel; Silicone hydrogel; Surface wetted hydrogel; Tear film stability

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