Eye diseases and conditions

Amblyopia (lazy eye) occurs when someone’s eye develops abnormally. Early diagnosis and treatment is important.

Astigmatism may be present from birth or develop with age, injuries, or diseases causing blurred vision. Learn about symptoms, diagnosis, treatments.

Experiencing dry, red and swollen eyelids? You could have blepharitis, inflammation that usually affects both eyes. Here's how to treat it.

Blindness and low vision can seriously affect every part of your life, but support and some treatments are available. Find out about getting help.

A blocked tear duct prevents your tears from draining well. Learn more about the causes, symptoms and treatments of blocked tear ducts.

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.

People with Charles Bonnet syndrome experience visions (phantom images) but are mentally healthy. Learn more about living with the condition here.

If you are colour blind, you may find it hard to tell red from green, or blue from yellow. Find out more about colour vision testing.

Conjunctivitis (or pink eye) is where the white of your eyes appear pink or red. You may also have a sticky eye. Learn about causes and treatment.

A corneal ulcer will make the affected eye red and painful. Find out why you need to seek prompt medical treatment if you think you might have a corneal ulcer.

Discover how diabetes can slowly damage your retina (the back of your eye). This can lead to diabetic retinopathy and vision problems.

Small specks, cobweb-like strands or clouds that move across your vision are called eye floaters. You can learn more about eye floaters here.

Eye infections like conjunctivitis can be caused by viruses or bacteria. Some eye infections are serious – learn about the symptoms and treatment.

Glaucoma is an eye condition that can damage the optic nerve and lead to vision loss. Learn the symptoms, treatments and when to seek emergency care.

Itchy eyes are often caused by an allergy or dry eye syndrome. Read more about what causes itchy eyes and what you can do to treat and prevent them.

Keratoconus is an eye condition which where the cornea thins and bulges outward into a cone shape, causing vision loss.

Long-sightedness (hyperopia) is a common eye problem that makes close objects seem blurred. Learn about the causes and treatment of long-sightedness.

Age-related macular degeneration (AMD) can lead to vision loss. You can reduce your risk with healthy lifestyle choices and having regular eye checks.

Presbyopia is a condition where your eyes become less able to focus as you age. Learn how presbyopia changes your vision and how it can be corrected.

Refractive errors are very common, causing blurred vision. Learn about short sightedness, astigmatism and other types of refractive errors here.

Retinal detachment is when the retina separates from the back of the eye. It’s a medical emergency and can lead to blindness without prompt treatment.

Retinitis pigmentosa is a genetic eye disorder that causes vision loss, including night blindness and tunnel vision. Discover the symptoms and causes.

Short-sightedness, or myopia, is a common eye problem that makes distant objects to appear blurred. Learn how it affects vision and how it is treated.

A stye is a small red lump on your eyelid, the glands become blocked and get infected. Use warm compresses, keep it clean and see your doctor.

Trachoma is a contagious eye infection that can cause blindness if left untreated. Learn about symptoms, treatment, and how to prevent infection.

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.