Q:

【老眼昏花】老花、近視可抵消?每日一茶飲出好視力!

【老眼昏花】老花、近視可抵消?每日一茶飲出好視力!
A:

不少人步入中年後,便開始關注眼睛健康,擔心有朝一日視力會突然惡化。市面上各種護眼產品琳瑯滿目,從葉黃素到花青素、蝦紅素,選擇多到讓人眼花繚亂。然而,單靠這些保健產品真能全面護眼嗎?「近視可以抵消老花」又是不是真有其事?讓我們一起透過中西醫的角度,來拆解老花眼的成因,並了解如何通過簡單的日常茶飲來維護視力健康。

所謂「老花」,其實一種隨著年齡增長而出現的眼睛退化現象,通常在 40 – 45 歲左右開始出現。然而,現代人經常使用手機、電腦等電子產品,令老花有年輕化的趨勢,甚至有人在 30 多歲時便出現老花問題。

 

老花成因

西醫:晶體退化 難以對焦

當我們年輕時,眼睛的水晶體具有很強的彈性,能夠靈活調節焦距,讓我們能夠輕鬆切換視野。然而,當我們年紀漸長,水晶體逐漸變硬,失去彈性,調節焦距變得困難,導致近距離的物體變得模糊不清。因此,許多有老花的人在閱讀時需要把書本或手機屏幕移遠才能看清。此外,負責控制水晶體形狀的睫狀體也逐漸退化,使得眼睛更難以聚焦,從而增加眼睛的疲勞感。

 

中醫:肝腎氣血不足 損視力

在中醫理論中,老花眼的出現不僅僅是眼睛本身的問題,更反映了身體的健康狀況。中醫認為「腎主骨,骨生髓,髓化為血,血濡目」,即腎臟負責生成骨髓,而骨髓又轉化為血液,這些血液最終會滋養眼睛。《黃帝內經》提到:「目不得血則不視」,強調了血液對視力的重要性。當腎精不足時,身體無法生成足夠的血液來滋養眼睛,便容易出現眼睛乾澀、視力模糊等問題。隨著年齡增長,腎氣逐漸衰退,導致肝血不足,視力開始下降,進而引發老花眼。因此,中醫在治療老花眼時,往往會從補腎調理入手,通過提升腎臟功能來改善視力問題。

 

近視可以抵消老花嗎?

許多人誤以為「有近視就不會得老花」,其實這是一個常見的誤解。近視是由於眼球過長,導致光線聚焦在視網膜前方,使得看遠物變得模糊;而老花則是隨著年齡增長,眼睛調節焦距的能力減弱,導致看近物變得模糊。

雖然近視者在老花初期可能會覺得看近物較為容易,但這並不代表近視可以抵消老花。隨著年齡的增長,近視者同樣會經歷老花的變化,只是其影響可能因個人的視力狀況而有所不同。因此,即使本身有近視,仍然有機會出現老花問題。

 

明目茶飲 補眼護肝腎

除了養成良好的用眼習慣,如避免長時間使用手機或閱讀,還可以通過飲用對眼睛和肝腎有益的茶飲來預防老花問題。

菊花枸杞茶

菊花具有清肝明目的功效,枸杞則有補腎養肝、潤肺明目的作用。這款茶飲特別適合長時間用眼、眼睛容易疲勞的人士飲用,能有效減輕眼睛乾澀、視力模糊等問題,同時提升肝腎功能。

材料

  • 干菊花:5 – 6 朵
  • 枸杞:10 –15 粒
  • 冰糖(可選):適量
  • 開水:約 500 毫升

做法

  1. 先將干菊花和枸杞用清水沖洗一遍,去除表面的雜質。
  2. 將菊花和枸杞放入茶壺或杯子中,加入 500 毫升的沸水。
  3. 蓋上蓋子,讓茶飲浸泡 5 – 10 分鐘。
  4. 根據個人口味,加入適量冰糖,攪拌均勻。
免責聲明:
  • *所有研究及臨床數據應作為參考用途,實際效果因個人體質而異。
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