Macular Degeneration (MD) is the name given to a group of degenerative diseases of the retina that cause progressive, painless loss of central vision, affecting the ability to see fine detail, drive, read and recognise faces.
Cataract is opacity or clouding of the lens inside the eye, then distorting the light as it enters. It is often confused with pterygium but cataract cannot be seen on the surface of the eye.
Glaucoma is the name given to a group of eye diseases in which the optic nerve at the back of the eye is slowly destroyed. In most people this damage is due to an increased pressure inside the eye.
Myopia is when a person cannot see distant objects clearly without the need for a corrective minus lens. The traditional view is that light entering the eye from the distance is focussed too early and so the image is blurred.
Diabetes sometimes causes the focusing ability of the eye to fluctuate from day to day. The problem eases when blood sugar levels are better controlled.
Hyperopia, also known as hypermetropia or as longsightedness, is a defect of vision caused by an imperfection in the eye, causing inability to focus on near objects,
Presbyopia is the normal age-related loss of ability to focus on near objects. The term comes from Latin words that mean "aging eyes”.
Spots and floaters are semi-transparent specks of natural materials inside the eye, which sometimes can be seen floating in the field of vision.
Astigmatism is an abnormality of the eye, where vision is blurred by an irregularly shaped cornea. The cornea, instead of being shaped like a sphere, is more oval-like and reduces the cornea's ability to focus light.
Dry eye syndrome is characterised by insufficient tears, it can be potentially debilitating condition. A person suffering from dry eye syndrome does not have enough of the right kind of tears to keep the eye comfortable.
Low vision is the term used to refer to a visual impairment that is not correctable through surgery, pharmaceuticals, glasses or contact lenses.
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