Colour vision is important in our daily life in order to let us perceive better images about our living enviro...
Why is my eye twitching? An eye twitch is an eye muscle or eyelid spasm that causes an involuntary or abnorma...
Corneal ulcer is an inflammation of the cornea secondary to infection. It will cause red eyes, pain, excessive...
Astigmatism (散光 in Mandarin / ‘silau’ in Malay) is a common type of refractive error that can cause bl...
