Your guide to eye health, conditions and symptoms
Astigmatism
Astigmatism is a common refractive error that affects the shape of the eye's cornea or lens. In a normal eye, the cornea and lens are smooth and evenly curved, helping to focus light rays directly onto the retina at the back of the eye. However, in eyes with astigmatism, the cornea or lens has an irregular shape, causing light to focus unevenly on the retina. This results in blurred or distorted vision at various distances.
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Blepharitis
Blepharitis commonly occurs when the tiny oil glands of the inner eyelid become inflamed. It often occurs along with other skin conditions or allergies. It is a chronic condition, but is not contagious and usually affects both eyes. If not treated, it can lead to infection.
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Cataracts
Cataracts are very common. In fact, they’re the main cause of impaired vision worldwide! Blurry vision refers to a lack of sharpness or clarity in eyesight, making objects or details appear hazy, out of focus, or unclear. The blurriness can affect near vision, distance vision, or both, and it may be temporary or chronic. Blurry vision is not a condition itself, it’s more a symptom of other eye conditions or simply a sign that you may need new or updated glasses or contact lenses.
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Chalazion
A chalazion is a small lump, or cyst, that develops slowly in the eyelid. It can sometimes look alarming, but it’s usually painless and rarely requires treatment. It typically occurs when a meibomian gland, which produces the oil that helps lubricate the eyes, becomes blocked. This blockage leads to the accumulation of oil in the gland, causing inflammation and the formation of a firm, painless bump on the eyelid.
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Glaucoma
Astigmatism is a common refractive error that affects the shape of the eye's cornea or lens. In a normal eye, the cornea and lens are smooth and evenly curved, helping to focus light rays directly onto the retina at the back of the eye. However, in eyes with astigmatism, the cornea or lens has an irregular shape, causing light to focus unevenly on the retina. This results in blurred or distorted vision at various distances.
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