View this anatomical diagram of the eye, showing the eye structure, including the pupil, iris, cornea, retina and optic nerve.
Eye Health
Red eye
Red eye is the term used when irritation or infection causes the eye to be red, itchy, watery and feel gritty. It's sometimes known as a 'bloodshot eye'.
Contact allergy of the eyes
Common causes of contact allergy of the eye or eyelids include cosmetics, eye drops, contact lens solutions and contact with certain plants.
Symptoms and causes of Cataracts
A cataract is a clouding of the normally clear lens in the eye, which interferes with vision. Cataracts are common in older people and can be treated with cataract surgery.
Eye allergy – allergic conjunctivitis
Got itchy, red, watery eyes? It could be eye allergies. Find out about the symptoms, causes, treatment, how to avoid the triggers and self-help measures.
Amblyopia (lazy eye)
Amblyopia is a common cause of reduced vision in children, sometimes known as ‘lazy eye’. Usually one eye is affected, but sometimes both.
Glaucoma: acute glaucoma
In acute glaucoma the pressure in the eye increases rapidly, leading to sudden symptoms such as eye pain. Urgent treatment is needed to prevent vision loss.
Stye
A stye (sty) is an infection of a follicle or gland at the base of an eyelash, caused by bacteria, usually Staphylococcus. It happens when the follicle becomes clogged with oil or dirt.
Keratoconus
Keratoconus is an eye condition where the cornea becomes thin, resulting in distorted vision. Find out about the causes, symptoms and treatment.
