Eye diseases
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Blepharitis
Experiencing pain, heat and swelling in the eyelids? You could have blepharitis, inflammation that usually affects both eyes. Here’s how to treat it.
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Cataracts
Cataracts are a clouding of the lens of your eye. They are a leading cause of blindness, especially in older people. Learn more about cataracts.
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Colour blindness
If you are colour blind, you may find find it hard to tell red from green, or blue from yellow. Find out more about colour vision testing.
![Conjunctivitis is an inflammation of the lining of the eye and eyelid. Conjunctivitis is an inflammation of the lining of the eye and eyelid.](https://media.healthdirect.org.au/images/banners/w760h217/conjunctivitis_h.jpg)
Conjunctivitis
Known as 'pink eye', conjunctivitis is a contagious disease where the whites of the eye appear pink and may have a sticky discharge.
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Diabetic retinopathy
Discover how diabetes can slowly damage your retina (the back of your eye). This can lead to diabetic retinopathy and vision problems.
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Eye discharge
Do you have a discharge from the eyes? From styes to scratches, this can indicate an infection and could be caused by any number of conditions.
![Optometrist examining female patient in ophthalmology clinic. Optometrist examining female patient in ophthalmology clinic.](https://media.healthdirect.org.au/images/banners/w760h217/glaucoma-90a582b9-85bc-4169-af0b-0a7a17e56076-554769.jpg)
Glaucoma
Glaucoma is a group of eye diseases that damage the optic nerve. It affects 1 in 10 Australians aged over 80, but glaucoma can strike at any age.
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Keratoconus
Keratoconus is an eye condition which where the cornea thins and bulges outward into a cone shape, causing vision loss.
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Macular degeneration
Age-related macular degeneration (AMD) can lead to loss of vision, you can cut your risk by healthy lifestyle choices and having regular eye checks.
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Optic neuritis
Eye pain and sudden loss of vision? It could be optic neuritis, inflammation of your optic nerve — learn about its symptoms, diagnosis and treatment.
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Refractive errors
Refractive errors are very common, causing blurred vision. Learn about short sightedness, astigmatism and other types of refractive errors.
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Retinal detachment
Retinal detachment is a medical emergency caused by ageing and eye injury. If you experience vision disturbance, go to the emergency department.
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Retinitis pigmentosa
Retinitis pigmentosa is a genetic eye disorder that causes vision loss, including night blindness and tunnel vision. Discover the symptoms and causes.
![Child with stye. Child with stye.](https://media.healthdirect.org.au/images/banners/w760h217/stye_h.jpg)
Stye
A stye occurs when the glands in your eyelids become blocked and get infected. You may notice a small red lump or swelling on your eyelid. Here's what...
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Trachoma
Trachoma is a contagious eye infection that can cause blindness if left untreated. Learn how to prevent and treat trachoma.
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Twitching eye
A twitching eye can be annoying but usually gets better on its own. Find out what may be causing your eye twitch and when to see your doctor.
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Uveitis
If left untreated, uveitis - or inflammation of the middle layer of your eye, can lead to blindness. Here's how to spot the symptoms of uveitis.
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Eye cancer
Eye cancer develops when abnormal cells in the eye grow and divide uncontrollably. Eye cancer is rare in Australia, but it can be hard to treat.