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美瞳隱形眼鏡弧度參數值多少:你必須知道的隱形眼鏡弧度參數

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美瞳隱形眼鏡弧度參數值多少:你必須知道的隱形眼鏡弧度參數



美瞳隱形眼鏡導讀:《隱形眼鏡弧度參數好重要》由Popteen愛好者發表于美瞳眼鏡學堂。基弧參數的測量是隱形眼鏡配前檢查中必不可少的一項,不過,眼鏡店基本都會忽略這個步驟,配鏡者可以到專業的眼科醫院,借助角膜曲率檢查角膜前表面的曲率半徑,為鏡片基弧的選擇提供依據。

隱形眼鏡弧度參數好重要,為什么這樣說,由愛美瞳網為你具體分析。
隱形眼鏡基弧(Base Curve)是指鏡片弧度的大小,基弧越大,鏡片越平坦,基弧越小,鏡片就越凹陷。

舉個最簡單的例子,一個碗和一個盤子相比,盤子的基弧就比碗大。很多隱形眼鏡佩戴者在選擇隱形眼鏡的時候,很少關注到“基弧”這個參數,而基弧不僅關系到佩戴者的舒適度,甚至還會對眼睛的健康造成影響。

沒有選對隱形眼鏡的基弧,就如同穿了件不合身的衣服,當鏡片基弧大于眼球基弧,就可能出現鏡片貼不住眼球,容易移位的情況,造成佩戴不舒服,使視力波動;鏡片基弧小于眼球基弧,鏡片會緊扣住眼球,造成角膜缺氧,并出現新生血管,長期佩戴會對眼睛造成傷害。

因此,基弧參數的測量是隱形眼鏡配前檢查中必不可少的一項,不過,眼鏡店基本都會忽略這個步驟,配鏡者可以到專業的眼科醫院,借助角膜曲率檢查角膜前表面的曲率半徑,為鏡片基弧的選擇提供依據。

很多初次佩戴隱形眼鏡的人往往會遇到鏡片在眼睛里難以固定,總是隨眼球運動滑動抑或隱形眼鏡死死扣住眼球,佩戴十分不舒適的情況,這有可能是不合適隱形眼鏡基弧在作怪。

現在你知道隱形眼鏡弧度參數的重要性了吧?
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