Our eyes allow us to see. The optic nerve carries images from the retina to the brain. Other eye parts include the cornea, iris, pupil, lens and sclera. Damage can cause vision loss or blindness.
Topic: Eye conditions
Blepharospasm means involuntary twitching, blinking, closure or squeezing of the eyelids.
A cataract of the eye is like the lens of a camera becoming fogged up.
People with colour blindness usually have difficulty with the colours green, yellow, orange and red.
Children with conjunctivitis must be kept home from school or child care until the discharge from their eyes has stopped to prevent the spread of infection.
Without treatment, diabetic retinopathy can cause loss of vision and blindness.
A person suffering from dry eye syndrome does not have enough of the right kind of tears to keep the eye comfortable.
Giant cell arteritis is inflammation of the arteries that can cause sudden blindness in one or both eyes.
Glaucoma can happen at any age and without early detection can lead to permanent vision loss and blindness.
Optic neuritis is inflammation of the optic nerve that causes blurred, grey and dim vision.
Retinitis pigmentosa is the collective name for a range of diseases that damage the retina and cause vision to fade.
A clean face and clean environment are the best protection against trachoma.
Iritis can cause vision problems if it is not treated.
A pterygium is a fleshy overgrowth of the conjunctiva that may affect one or both eyes.
Without treatment, retinal detachment may worsen until the retina is unable to send information down the optic nerve to the brain.
If a detached retina is not treated it can lead to total blindness.
Styes may be red and sore, but they generally do not cause any damage to the eye or eyelids.
Neurological vision impairment (ABI VI) is vision loss caused by damage to the areas of the brain that are responsible for sight.