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Categories Eye Care, Surgeries, Vision

What is a cataract? 

Common Age-related Diseases – Cataract

What is a cataract? 

A cataract is the clouding of the transparent lens in our eyes. The lens in our eyes is made of mostly water and protein, and its function is to help focus light on the retina, allowing us to see. However, as we age, some of these proteins may clump up resulting in the clouding of the lens, forming a cataract. As time goes by, the cataract gets denser resulting in visual disturbance which eventually leads to blindness if no intervention was done.


How do I know if I have Cataract?

A common misconception of Cataract is that many of us think that we only have cataracts when our eye turns whitish on the inside, however, more often than not Cataracts are not obvious to the naked eye and require eye checks done by an optometrist or ophthalmologist to pick them up. If you are over 60 years old, you probably already have them. In fact, you can get age-related cataracts as early as 40 years old.

Apart from the misconception mentioned above, one main reason why people do not notice it when they have Cataracts is that Cataracts typically form gradually, the build-up of cataracts is so slow that most people do not realize that their vision deteriorates until it starts to affect their daily lifestyle. 

Some symptoms of cataracts include:

  • Blurry or cloudy vision
  • Poor vision in low lighting conditions
  • The colours appear to be less vibrant
  • Increased sensitivity to glare
  • Double vision in the “ cataract” eye
  • Problems with near work, e.g Reading
  • Requires more frequent change in prescription.

How can I prevent myself from getting Cataracts?


Similar to Presbyopia (Lao Hua), having Cataracts are inevitable, but some tips to slow down the progression of Cataracts are:

  • protect your eyes from Ultraviolet B rays by wearing sunglasses outdoors
  • eat fruits and vegetables that contain antioxidants
  • keep diabetes and other medical conditions in check

Want to know if you have cataracts or any other age-related eye diseases? Call us at 6533 0095 to book an appointment now! To find out more about our services, do visit our website at http://www.eyecare247.co/

Categories Eye Care, Vision

Vision Terminologies in Mandarin 视觉术语

眼屈光不正(Refractive error),是指因眼球形狀而让光无法成功聚焦在视网膜上的问题。常见的典型眼屈光不正有近视、远视、散光和老花眼等。


近視(Near-sightedness, myopia, short-sightedness) ,近视是因為眼球长度過长,指眼睛视觉成像未能聚焦於视网膜上,而是聚焦於视网膜之前的情形。患者在目视远物会模糊,而视近物时相对清楚。严重的近视会增加视网膜剝離、白內障及青光眼的风险。


远视(Hypermetropia, Hyperopia)远视是因為眼球長度過短,是指平行光线经过眼的屈光介质在视网膜后聚焦的不正常屈光状态。这种眼的光学焦点在视网膜之后,因而在视网膜上所形成的像是模糊不清的,为了看清远处物体,要利用调节力量把视网膜后面的焦点移到视网膜上,故远视眼经常处在调节状态,易发生眼疲劳。