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Comparison of Portable Tonometers and Goldmann Applanation Tonometer for Intraocular Pressure Measurement

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¹Ú»ó¿ì(Park Sang-Woo) - Àü³²´ëÇб³ Àǰú´ëÇÐ ¾È°úÇб³½Ç

Abstract

¸ñÀû: ÈÞ´ë¿ë ¾È¾Ð°èÀÎ rebound ¾È¾Ð°è¿Í TonoPen ¾ÐÆò¾È¾Ð°è·Î ÃøÁ¤ÇÑ ¾È¾ÐÀ» Goldmann ¾ÐÆò¾È¾Ð°è(GAT)·Î ÃøÁ¤ÇÑ ¾È¾Ð°ú ºñ±³ÇÏ °í, ÀÌ¿¡ ¿µÇâÀ» ÁÙ ¼ö ÀÖ´Â ÀÎÀÚµéÀ» ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù.

´ë»ó°ú ¹æ¹ý: 463¾ÈÀ» ´ë»óÀ¸·Î Icare Pro¢ç rebound ¾È¾Ð°è, TonoPen AVIA¢ç ¾ÐÆò¾È¾Ð°è, ±×¸®°í GAT·Î ¾È¾ÐÀ» ÃøÁ¤ÇÏ¿´´Ù. °¢ ¾È¾Ð °è·Î ÃøÁ¤ÇÑ ¾È¾ÐÀÇ ÀÏÄ¡µµ¿Í ÀÌ¿¡ ¿µÇâÀ» ¹ÌÄ¥ ¼ö ÀÖ´Â ÀÎÀÚ¸¦ ºÐ¼®Çϱâ À§ÇØ Bland-Altman plot, ±Þ³»»ó°ü°è¼ö, Pearson »ó°üºÐ¼® ¹× ´ÙÁßȸ±ÍºÐ¼®À» ½ÃÇàÇÏ¿´´Ù.

°á°ú: Icare Pro¢ç ¾È¾Ð°ú TonoPen AVIA¢ç ¾È¾ÐÀº °¢°¢ GAT ¾È¾Ðº¸´Ù ³ô°Ô ÃøÁ¤µÇ¾úÁö¸¸ À¯ÀÇÇÑ Â÷ÀÌ´Â º¸ÀÌÁö ¾Ê¾ÒÀ¸¸ç(p=0.307, p=0.114), Bland-Altman plot¿¡¼­ GAT ¾È¾Ð°ú ³ôÀº ÀÏÄ¡µµ¸¦ º¸¿´´Ù. Icare Pro¢ç ¾È¾Ð°ú GAT ¾È¾Ð, ±×¸®°í Tonopen AVIA¢ç ¾È¾Ð°ú GAT ¾È¾ÐÀÇ Â÷ÀÌ´Â Á߽ɰ¢¸·µÎ²²°¡ Áõ°¡ÇÒ¼ö·Ï(p=0.019, p=0.035) ¶Ç´Â ¿¬·ÉÀÌ °¨¼ÒÇÒ¼ö·Ï(p=0.041, p=0.049), °¢°¢ Áõ°¡ÇÏ¿´´Ù.

°á·Ð: ÈÞ´ë¿ë ¾È¾Ð°èÀÎ Icare Pro¢ç rebound ¾È¾Ð°è¿Í TonoPen AVIA¢ç ¾ÐÆò¾È¾Ð°è·Î ÃøÁ¤ÇÑ ¾È¾ÐÀº GAT·Î ÃøÁ¤ÇÑ ¾È¾Ð°ú ¶Ñ·ÇÇÑ »ó°ü°ü°è¸¦ º¸¿©, GAT·Î ÃøÁ¤ÀÌ ¾î·Á¿î ȯÀÚ¿¡¼­ À¯¿ëÇÏ°Ô »ç¿ëµÉ ¼ö ÀÖÀ» °ÍÀ¸·Î »ý°¢µÇ³ª, ¾È¾Ð ÃøÁ¤ ½Ã Á߽ɰ¢¸·µÎ²²¿Í ¿¬·É µîÀ» °í·ÁÇÏ¿©¾ß ÇϰڴÙ.
Purpose: To compare the intraocular pressure (IOP) measured by portable rebound tonometer and TonoPen applanation tonometer with pressure measured by Goldmann applanation tonometer (GAT) and analyze the factors affecting IOP disagreement between tonometers.

Methods: In a prospective study of 463 eyes, IOP was measured with Icare Pro¢ç rebound tonometer, TonoPen AVIA¢ç applanation tonometer, and GAT. Bland-Altman plot, intraclass correlation coefficient, Pearson¡¯s correlation analysis, and multiple regression analysis were performed to evaluate the agreement of IOP measured by each tonometer and the factors affecting the measurements.

Results: The IOP values measured by Icare Pro¢ç and TonoPen AVIA¢ç were consistently higher than those measured by GAT, but showed no significant differences with those measured by GAT (p = 0.307 and 0.114, respectively). In Bland- Altman plot, the IOP values measured by Icare Pro¢ç and TonoPen AVIA¢ç exhibited excellent agreement with those measured by GAT. Both Icare Pro¢ç/GAT and TonoPen AVIA¢ç/GAT differences increased with younger age (p = 0.041 and 0.049, respectively) and higher central corneal thickness (p = 0.019 and 0.035, respectively).

Conclusions: IOPs measured by portable Icare Pro¢ç rebound tonometer and TonoPen AVIA¢ç applanation tonometer were significantly correlated with IOP measured by GAT. Therefore, such instruments can be useful when measuring IOP with GAT is difficult. However, central corneal thickness and age should be considered when measuring IOP with portable tonometers.

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Goldmann applanation tonometer, Icare Pro? rebound tonometer, Intraocular pressure, TonoPen¢ç
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