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Higher-Order Aberrations and Visual Acuity with Wavefront-Guided and Wavefront-Optimized Ablation in Laser Keratorefractive Surgery

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±è¼ºÀÎ(Kim Sung-In) - »õºû¾È°úº´¿ø
¿ÀÁ¤Àç(Oh Jeong-Jae) - »õºû¾È°úº´¿ø
¿ÀÅÂÈÆ(Oh Tae-Hoon) - »õºû¾È°úº´¿ø
¹Ú±ÔÈ«(Pak Kyu-Hong) - »õºû¾È°úº´¿ø
¹é³²È£(Baek Nam-Ho) - »õºû¾È°úº´¿ø
ÃÖÁø¼®(Choi Jin-Seok) - »õºû¾È°úº´¿ø

Abstract

¸ñÀû: ·¹ÀÌÀú °¢¸· ±¼Àý±³Á¤¼ö¼ú¿¡¼­ ¿þÀ̺êÇÁ·ÐÆ® °¡ÀÌµå ¹æ½Ä°ú ¿þÀ̺êÇÁ·ÐÆ® ÃÖÀûÈ­ ¹æ½Ä¿¡ µû¸¥ ¾È±¸ ¼öÂ÷ º¯È­ÀÇ Á¤µµ¿Í ½Ã·ÂÀ» ºñ±³ÇÏ°íÀÚ ÇÏ¿´´Ù.

´ë»ó°ú ¹æ¹ý: ¿þÀ̺êÇÁ·ÐÆ® °¡ÀÌµå ¹æ½ÄÀÇ VISX S4 CustomVue¢ç¿Í ¿þÀ̺êÇÁ·ÐÆ® ÃÖÀûÈ­ ¹æ½ÄÀÎ WaveLight¢ç EX500¸¦ ÀÌ¿ëÇÏ¿© ¶ó ½Ä ¶Ç´Â ±¼Àý±³Á¤·¹ÀÌÀú°¢¸·ÀýÁ¦¼ú(photorefractive keratectomy, PRK)À» ¾ç¾È µ¿½Ã¿¡ ½ÃÇàÇÑ ³× ±º¿¡¼­ ¼ú Àü, ¼ú ÈÄ ³ª¾È ¹× ±³Á¤½Ã ·Â, Çö¼º ±¼Àý°Ë»ç ¹× ¼ú ÈÄ 3°³¿ù°¿¡ °íÀ§¼öÂ÷ÀÇ º¯È­·®À» ¼ú Àü°ú ºñ±³ºÐ¼®ÇÏ¿´´Ù.

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°á·Ð:·¹ÀÌÀú °¢¸· ±¼Àý±³Á¤¼ö¼ú¿¡¼­ ¿þÀ̺êÇÁ·ÐÆ® °¡ÀÌµå ¹æ½ÄÀ̳ª ¿þÀ̺êÇÁ·ÐÆ® ÃÖÀûÈ­ ¹æ½Ä ¸ðµÎ ¼ú ÈÄ ½Ã·ÂÂ÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù. ÇÏÁö¸¸ ±¸¸é¼öÂ÷ ¸é¿¡¼­´Â ¿þÀ̺êÇÁ·ÐÆ® ÃÖÀûÈ­ ¹æ½ÄÀÌ ´õ ÀûÀº ¼öÂ÷¸¦ º¸¿´´Ù.
Purpose: To compare higher-order aberrations (HOAs) and visual acuity after wavefront-guided and wavefront-optimized laser keratorefractive surgery.

Methods: This retrospective study consisted of consecutive cases of eyes that underwent wavefront-guided (VISX S4 CustomVue¢ç) or wavefront-optimized (WaveLight¢ç EX500) laser assisted in situ keratomileusis (LASIK) or photorefractive keratectomy (PRK). Preoperative and postoperative uncorrected visual acuity (UCVA), best corrected visual acuity (BCVA), manifest refraction spherical equivalent (MRSE), and preoperative and 3 month postoperative HOAs were compared.

Results: There were no statistical differences in UCVA, BCVA, MRSE, or total HOAs in either the LASIK and PRK groups (all p > 0.05). Induced amount of spherical aberration (SA) was significantly lower in the wavefront-optimized LASIK and PRK than wavefront-guided LASIK and PRK.

Conclusions: In laser keratorefractive surgery, wavefront-guided and wavefront-optimized platforms produced equivalent visual outcomes and no differences in total HOAs. However, the wavefront-optimized platform caused less spherical aberration 3 months after operation.

Å°¿öµå

Higher-order aberrations, LASIK, PRK, Wavefront-guided, Wavefront-optimized
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DOI
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ICD 03
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