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...
Hyperopia is also known as far-sightedness. It is a common type of refractive error that occurs when the light...
