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¾È°æ ·»ÁîÀÇ »ç¿ë ±â°£¿¡ µû¸¥ ÀçÁúº° Åõ°úÀ² ºÐ¼® Analysis on Transmittance by Material according to the Use Period of Spectacle Lens

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ÀÓÇö¼º ( Leem Hyun-Sung ) 
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Abstract

¸ñÀû : ¾È°æ ·»ÁîÀÇ »ç¿ë ±â°£¿¡ µû¸¥ ÀçÁúº° Àڿܼ±°ú °¡½Ã±¤¼±ÀÇ Åõ°úÀ²¿¡ ´ëÇØ ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù.

¹æ¹ý : 5°³»ç ÃÑ 118°³ÀÇ »ç¿ëÀÚ°¡ »ç¿ëÇÑ ¹«»ö ´ÜÃÊÁ¡ ¾È°æ ·»Á »ç¿ëÇÏ¿´´Ù. »ç¿ë ±â°£Àº 1³â ¹Ì¸¸, 1³â ÀÌ»ó 2³â ¹Ì¸¸, 2³â ÀÌ»ó µî ÃÑ 3°³·Î ³ª´©¾ú´Ù(1³â ¹Ì¸¸: 38°³, 1³â ÀÌ»ó 2³â ¹Ì¸¸: 46°³, 2³â ÀÌ»ó: 34°³). ÀçÁúº°·Î´Â Áß±¼Àý(medium index, 1.55~1.56), °í±¼Àý(high index, 1.60), ÃÊ°í±¼Àý(ultra high index, 1.67~1.74)·Î ³ª´©¾ú´Ù(Áß±¼Àý: 32°³, °í±¼Àý: 66°³, ÃÊ°í±¼Àý: 20°³). ¾È°æ ·»ÁîÀÇ ±¤Åõ°úÀ²Àº Topcon»çÀÇ TM-1À» »ç¿ëÇÏ¿© Àڿܼ±(200~380 nm)°ú °¡½Ã±¤¼±(380~780 nm) ¿µ¿ªÀ» ÃøÁ¤ÇÏ¿´´Ù.

°á°ú : UV, UVA, UVB ¹× °¡½Ã±¤¼± Åõ°úÀ² ÃøÁ¤°ªÀ» »ç¿ë ±â°£º°·Î ÀçÁú¿¡ µû¶ó ºñ±³ÇÑ °á°ú »ç¿ë ±â°£ÀÌ 1³â ¹Ì¸¸ÀÎ ¾È°æ ·»ÁîÀÇ ÀçÁú¿¡ µû¸¥ Åõ°úÀ² ÃøÁ¤°ªÀº À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù(p=0.189, p=0.197, p=0.081, p=0.073).»ç¿ë ±â°£ÀÌ 1³â ÀÌ»ó 2³â ¹Ì¸¸ÀÎ ¾È°æ ·»ÁîÀÇ ÀçÁú¿¡ µû¸¥ UV, UVA, °¡½Ã±¤¼± Åõ°úÀ² ÃøÁ¤°ªÀº À¯ÀÇÇÑ Â÷À̸¦º¸ÀÌ´Â °á°ú¸¦ È®ÀÎÇÏ¿´´Ù(p=0.001, p=0.001, p=0.003). »ç¿ë ±â°£ÀÌ 2³â ÀÌ»óÀÎ ¾È°æ ·»ÁîÀÇ ÀçÁú¿¡ µû¸¥ Åõ°úÀ² ÃøÁ¤°ªÀº À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù(p=0.673, p=0.674, p=0.982, p=0.138).

°á·Ð : º» ¿¬±¸ °á°ú »ç¿ëÇÑ ¾È°æ ·»ÁîÀÇ »ç¿ë ±â°£¿¡ µû¸¥ ÀçÁúº° Åõ°úÀ²¿¡¼­ Â÷ÀÌ°¡ ³ªÅ¸³µ´Ù. µû¶ó¼­ ¾È°æ·»ÁîÀÇ ÀçÁú°ú »ç¿ë ±â°£ ¼±Åÿ¡ µµ¿òÀÌ µÉ °ÍÀ¸·Î »ç·áµÈ´Ù.

Purpose : The purpose of this study were to investigate the transmittances of ultraviolet light and visible light according to materials used for spectacle lenses.

Methods : A total of 118 transparent spectacle lenses of 5 companies being used were applied. The period of use was divided into three groups : less than 1 year, 1 year or more but less than 2 years and more than 2 years. The refractive index was also divided into the Medium refractive index(1.55~1.56), the High refractive index(1.60) and the Ultra High refractive index(1.67~1.74). The transmittance of UV(200~380) and visible light(380~780nm) of the spectacle lens was measured using the Topcon TM-1.

Results : The UV, UVA, UVB and visible light transmittance measurements were compared according to the materials for each period of use. There was no significant difference in the transmittance measurements according to the material of the spectacle lens with the use period of less than 1 year (p=0.189, p=0.197, p=0.081, and p=0.073). The UV, UVA, and visible light transmittance measurements showed statistically significant differences according to the material of the spectacle lens with the use period of 1 year or more and less than 2 years(p=0.001, p=0.001, and p=0.003). There was no significant difference in the transmittance measurements according to the material of the spectacle lens with the use period of more than 2 years (p=0.673, p=0.674, p=0.982, and p=0.138).

Conclusion : As a result of this study, there was a difference in the transmittance of each material according to the use period of the spectacle lens. Therefore, it may be helpful to select material and the use period of eyeglass lens.

Å°¿öµå

»ö¿Ö°î; Ãø»ö; ±ÙÀû¿Ü¼± Â÷´Ü·»Áî; Âø»ö·»Áî
Period of use; Refractive index; Spectacle lens; Transmittance; Ultraviolet radiation

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