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Non Painful Red Eyes

Introduction There are numerous conditions which can cause painless eye redness and discomfort. As mentioned under other topics, any eye condition that associated with pain, or blurring of vision, warrants an immediate medical attention. Few common conditions that give rise to non painful red eyes include conjunctivitis, subconjunctiva haemorrhage, pterygium, …

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Watery Eyes

Introduction Excessive tearing can be caused by two basic mechanisms, overproduction of tears or blockage of tear drainage system of the eye. Sometimes a combination of the two can coexist. The tears are produced by lacrimal gland located lateral aspect of the eye. Tears drain away from the eye through …

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Fotofobia (Silau)

Pengenalan Fotofobia (sensitif terhadap cahaya) ialah suatu gejala di mana mata menjadi sensitif yang melampau terhadap cahaya seterusnya pesakit yang mengalami simptom ini akan cuba mengelak dari cahaya matahari atau tempat terang. Pesakit yang mempunyai masalah fotofobia mungkin disebabkan oleh masalah kesihatan yang berkaitan dengan mata atau sistem urat saraf. …

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Photophobia

Introduction Photophobia (light sensitivity) is defined as fear to light. There is excessive sensitivity to light, thus people with photophobia try to avoid sunlight or well-lit places. Patients may develop photophobia as a result of different medical conditions, related to the eye or the nervous system. Causes Photophobia is common …

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Blurring of Vision

Introduction The eye is a very complex organ, with many important parts. To work properly and provide normal vision, every part of the eye must be normal and healthy. Blurring of vision can come about from any disturbance in the pathway of light from the front of the eye (cornea) …

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Eye Injury

Introduction Eye injury is a common hospital casualty referral. It can result from fight, fall, and chemical exposure, foreign body at work or road traffic accident. It is important for the public and general practitioner to differentiate blunt eye injury from perforating eye injury. The latter may leave the eye …

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Lekangan Retina

Pengenalan Retina merupakan lapisan nipis tisu saraf yang melapisi bahagian dalam mata dan amat sensitif pada cahaya. Apabila lekangan retina berlaku, lapisan retina akan terangkat dari kedudukan asal. Jika tidak dirawat dengan segera, ia akan menyebabkan kehilangan penglihatan yang kekal. Gambar menunjukkan retina yang lekang dan koyak     Gambarajah …

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Retina Detachment

Introduction The retina is a thin sheet of light sensitive nerve tissue lining the inside of the eye. When the retina detachment occurs, the retina is lifted from its normal position. If not treated early, retinal detachment can cause permanent vision loss. Photograph showing retinal detachment with tear     …

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Refractive Errors

Introduction The human eye works in a manner very similar to that of a camera. In order to see clearly, objects that we are looking at must be properly focused on the retina. This is acheived through the convergent power of the cornea and lens. When images are not properly …

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Cataract

A cataract is a clouding of the normally clear lens of the eye. It can be compared to a window that is partly covered with dirt. Cataract development is a normal process of aging, but cataracts also develop from eye injuries, certain diseases or medications. Cataract is a major cause …

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