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Comparison of Anterior Segment Measurements Using Scanning-Slit Topography and Optical Low-Coherence Reflectometry (OLCR) Biometry

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¹ÚÁöÇö(Park Ji-Hyun) - °Ç¾ç´ëÇб³ ÀÇ°ú´ëÇÐ ±è¾È°úº´¿ø ¾È°úÇб³½Ç
°­È¿Á¤(Kang Hyo-Jeong) - °Ç¾ç´ëÇб³ ÀÇ°ú´ëÇÐ ±è¾È°úº´¿ø ¾È°úÇб³½Ç
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¼Û»ó·ü(Song Sang-Wroul) - °Ç¾ç´ëÇб³ ÀÇ°ú´ëÇÐ ±è¾È°úº´¿ø ¾È°úÇб³½Ç
±èº´¿±(Kim Byoung-Yeop) - °Ç¾ç´ëÇб³ ÀÇ°ú´ëÇÐ ±è¾È°úº´¿ø ¾È°úÇб³½Ç
Á¤À縲(Chung Jae-Lim) - °Ç¾ç´ëÇб³ ÀÇ°ú´ëÇÐ ±è¾È°úº´¿ø ¾È°úÇб³½Ç

Abstract

¸ñÀû: ½½¸´±¤ÁÖ»ç °¢¸·ÇüÅ°˻ç±â(ORBscan IIz¢ç, Bausch & Lomb), Àú°£¼·¼º ¹Ý»ç°è(Lenstar¢ç, Haag-Streit) ¹× Castroviejo Caliper ¸¦ ÀÌ¿ëÇÏ¿© ÃøÁ¤ÇÑ ¼öÆò°¢¸·Á÷°æÀ» ºñ·ÔÇÑ Àü¾ÈºÎ °èÃøÄ¡¸¦ ¼­·Î ºñ±³ÇØ º¸°íÀÚ ÇÏ¿´´Ù.

´ë»ó°ú ¹æ¹ý: ±¼Àý±³Á¤¼ö¼úÀ» ½ÃÇà ¹ÞÀº 36¸í 72¾ÈÀ» ´ë»óÀ¸·Î ¼úÀü¿¡ ORBscan¢ç, Lenstar¢ç¸¦ ÀÌ¿ëÇÑ ¼öÆò°¢¸·Á÷°æÀ» ÃøÁ¤°ª°ú caliper¸¦ ÀÌ¿ëÇÑ ¼öÆò°¢¸·Á÷°æ ÃøÁ¤ °á°ú¿Í ºñ±³ÇÏ¿´´Ù. Ãß°¡ÀûÀ¸·Î ORBscan¢ç, Lenstar¢ç Àåºñ¸¦ ÀÌ¿ëÇÏ¿© ¼úÀü¿¡ ÃøÁ¤ÇÑ Á߽ɰ¢¸· µÎ²², Àü¹æ ±íÀÌ, °¢¸· °î·ü ¹× µ¿°ø Å©±â¸¦ ºñ±³ÇÏ¿´´Ù.

°á°ú: ¼öÆò°¢¸·Á÷°æÀº ORBscan¢ç°ú caliper¸¦ ÀÌ¿ëÇÏ¿© ÃøÁ¤ÇÑ °ª »çÀÌ¿¡´Â À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾úÀ¸¸ç, Lenstar¢ç·Î ÃøÁ¤ÇÑ °æ¿ì ¾ÕÀÇ µÎ °¡Áö ¹æ¹ý¿¡ ºñÇØ ¸ðµÎ À¯ÀÇÇÏ°Ô Å©°Ô ÃøÁ¤µÇ¾ú´Ù(¸ðµÎ p£¼0.001). Á߽ɰ¢¸· µÎ²²´Â ORBscan¢çÀÌ Lenstar LS900¢ç¿¡ ºñÇØ µÎ²®°Ô ÃøÁ¤µÇ¾úÀ¸¸ç(p£¼0.001), °¢¸·°î·üµµ ORBscan¢çÀÌ Å©°Ô ÃøÁ¤µÇ¾ú´Ù. Àü¹æ ±íÀÌ´Â Lenstar¢ç°¡ ±í°Ô ÃøÁ¤µÇ¾ú°í(p£¼0.001) µ¿°øÅ©±âµµ Lenstar¢çÀÇ °æ¿ì ´õ Å©°Ô ÃøÁ¤µÇ¾ú´Ù(p£¼0.001).

°á·Ð: Lenstar¢ç¸¦ ÀÌ¿ëÇÏ¿© ÃøÁ¤ÇÑ ¼öÆò°¢¸·Á÷°æ°ú Àü¹æ ±íÀÌ´Â ORBscan¢çÀ̳ª caliperÀÇ ÃøÁ¤°ª¿¡ ºñÇØ Å©°Ô ÃøÁ¤µÇ±â ¶§¹®¿¡ ÈÄ¹æ ¾È³»·»Áî»ðÀÔ¼úÀÇ °æ¿ì ½ÇÁ¦º¸´Ù Å« »çÀÌÁîÀÇ ·»Á ¼±ÅÃÇÏ°Ô µÇ¾î high vaultingÀ» ÃÊ·¡ÇÒ ¼ö ÀÖÀ¸¹Ç·Î °Ë»çÀåºñ¿¡ µû¸¥ Â÷À̸¦ °í·ÁÇØ¾ß ÇÒ °ÍÀ¸·Î »ý°¢ÇÑ´Ù.
Purpose: To compare the results of anterior segment biometry including white-to-white (WTW) between scanning-slit topography (ORBscan IIz¢ç, Bausch & Lomb), optical low-coherence reflectometry (OLCR) biometry (Lenstar¢ç, Haag-Streit), and Castroviejo calipers.

Methods: Measurements on 72 eyes of 36 patients that underwent refractive surgery were measured using ORBscan¢ç, Lenstar¢ç, and calipers and compared. Ocular biometry parameters used in this study included the WTW, central corneal thickness, anterior chamber depth (ACD), keratometry, and pupil size.

Results: The WTW measurements using ORBscan¢ç and calipers (11.57 ¡¾ 0.35 mm and 11.58 ¡¾ 0.34 mm, respectively) were statistically similar. However, the measurement using Lenstar¢ç (12.05 ¡¾ 0.40 mm) was significantly greater than with the other methods (p < 0.001). Central corneal thickness and keratometry measurements using ORBscan¢ç were greater than when using Lenstar¢ç (p = 0.01 for both). ACD and pupil size measurement using Lenstar¢ç were greater than when using ORBscan¢ç (p < 0.001 for both).

Conclusions: Because WTW and ACD measurements using Lenstar¢ç were greater than when using ORBscan¢ç and calipers, unexpected high-vaulting may be observed due to the selection of a larger-sized posterior chamber phakic intraocular lens. Therefore, the differences in measurements obtained when using these methods should be considered.

Å°¿öµå

Biometry, Lenstar¢ç, Optical low-coherence reflectometry (OLCR), ORBscan¢ç, White-to-white (WTW)
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