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    Dioptase - bright green crystals with chrysocolla.

    Dioptase - bright green crystals with chrysocolla. Tantara mine, Katanga, Congolese Republic.、クレジット:World History Archive/ニューズコム/共同通信イメージズ

    商品コード: 2019072505675

  • -
    Dioptase - bright green crystals with chrysocolla.

    Dioptase - bright green crystals with chrysocolla. Tantara mine, Katanga, Congolese Republic.、クレジット:World History Archive/ニューズコム/共同通信イメージズ

    商品コード: 2019072505676

  • 2021年02月20日
    reading glasses, presbyopia

    Between the ages of 40 and 45, the human eye slowly loses its ability to accommodate (focus) at close range. This eye defect is called presbyopia. The process of onset of presbyopia is gradual and can be observed in some cases from the age of 35. The vast majority of people only need their first reading glasses between the ages of 45 and 50, and the number of diopters is around +1.00 diopters at the beginning. As the age progresses, the accommodation of the eye continues to decrease and then disappears completely. After the age of 60, reading glasses with values of +2.5 to +3.0 diopters are usually required. (CTK Photo/Pavel Weber)、クレジット:CTK/共同通信イメージズ

    商品コード: 2022021902279

  • 2021年02月20日
    reading glasses, presbyopia

    Between the ages of 40 and 45, the human eye slowly loses its ability to accommodate (focus) at close range. This eye defect is called presbyopia. The process of onset of presbyopia is gradual and can be observed in some cases from the age of 35. The vast majority of people only need their first reading glasses between the ages of 45 and 50, and the number of diopters is around +1.00 diopters at the beginning. As the age progresses, the accommodation of the eye continues to decrease and then disappears completely. After the age of 60, reading glasses with values of +2.5 to +3.0 diopters are usually required. (CTK Photo/Pavel Weber)、クレジット:CTK/共同通信イメージズ

    商品コード: 2022021902283

  • 2021年02月20日
    reading glasses, presbyopia

    Between the ages of 40 and 45, the human eye slowly loses its ability to accommodate (focus) at close range. This eye defect is called presbyopia. The process of onset of presbyopia is gradual and can be observed in some cases from the age of 35. The vast majority of people only need their first reading glasses between the ages of 45 and 50, and the number of diopters is around +1.00 diopters at the beginning. As the age progresses, the accommodation of the eye continues to decrease and then disappears completely. After the age of 60, reading glasses with values of +2.5 to +3.0 diopters are usually required. (CTK Photo/Pavel Weber)、クレジット:CTK/共同通信イメージズ

    商品コード: 2022021902280

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