What causes seasonal allergies? Seasonal allergies are caused by specific allergens such as ragweed, grass, or tree pollen. When these allergens come in contact with your body, they are considered foreign particles. The allergens bind themselves to mast cells that are loaded with histamine. In response, your immune system starts to release large quantities of […]
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How common are allergies among children? Many children are affected by ongoing allergies, which may become severe enough to affect their daily activities. However, children cannot always recognize what is wrong or explain their discomfort to family members or caregivers. Looking out for specific behaviours or signs are useful in spotting eye allergies in children.
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What is anterior uveitis? Anterior uveitis is a common inflammation of the eye – more specifically, the iris. The iris is the coloured part of the eye. In anterior uveitis, the iris becomes inflamed and the blood vessels within the iris leak white blood cells and protein into the anterior chamber (the cavity in the
What is age-related macular degeneration (AMD)? Macular degeneration is a condition that causes the centre of your vision to blur while the side or peripheral vision remains unaffected. The macula is the central most part of the retina, the inner layer at the back of the eye responsible for detailed central vision. It is used
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What is vitreous detachment? Vitreous detachment is a condition where the gel-like fluid that fills the eye separates from the retina. It is usually harmless and can cause floaters or flashes in your sight. In more serious cases, vitreous detachment can pull at the retina and cause it to tear or detach, which can lead
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What is trichiasis? Trichiasis is a condition where a person’s eyelashes turn inwards.The eyelids normally have a single row of eyelashes on the upper and lower lids. The lashes typically point outwards, away from the eye. Sometimes the lid margin can turn inwards causing one or more lashes to scratch the cornea (clear covering of
What is a transient ischemic attack (TIA)? A common cause of short-term vision loss is known as a transient ischemic attack. It is more commonly known as a TIA, or a mini-stroke and tends to occur most often in seniors. A TIA may only last a matter of minutes but it should not be ignored
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What is strabismus? Strabismus is often called wandering eye or described as being crossed eyed. It is a condition where one or both of your eyes may turn in, out, up or down. This means your eyes are not properly aligned with each other, resulting in double vision or vision loss in the affected eye.
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If your blurred vision is associated with other symptoms including numbness in the face or body, dizziness, or difficulty speaking, visit your medical doctor or emergency room right away. There are many reasons why you might suddenly experience blurred vision. They range from serious causes such as stroke, to less threatening reasons such as dry
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What is shingles? Shingles is a viral infection that affects many parts of the body and usually causes a painful rash. What are the signs and symptoms of shingles? Shingles usually causes a skin rash on one side of the body. This outbreak is more painful and itchy than that of chickenpox. The face, eyelids,
