A patient with dry eyes will complain that their eyes are uncomfortable i.e. they are dry, scratchy, gritty, or it feels as if there is a foreign body in the eye, there may be irritation, soreness or pain, burning, itching, and ocular fatigue, sensitivity to light and they may have blurred vision. Patients may also [...]
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Orthokeratology
Orthokeratology or Ortho-K is a non-surgical process which reshapes (flattens by compression) the cornea of the eye using contact lenses to reduce refractive errors (nearsightedness and astigmatism). Ortho-K uses reverse geometry contact lenses. Flattening the cornea reduces the focusing power of the eye. Since the amount of corneal flattening can be accurately controlled, it is possible [...]
Glaucoma – leading cause of irreversable blindness
Glaucoma is the world’s leading cause of irreversible blindness, yet few sufferers are aware that they have the disease. What makes this condition difficult to detect is the lack of any early warning signs or symptoms. Once the first visible symptoms occur, there is already serious damage done to the eyes’ optic nerves. Glaucoma definition [...]
Keratoconus
Keratoconus is a disorder of the eyes affecting the cornea. The cornea of the eye is the clear transparent, dome shaped tissue that covers the iris and the pupil. The cornea shields the eye from germs, dust and other harmful matter. It also acts as the eye’s outer lens. Much like a window, the cornea [...]
Eye allergies: allergic conjunctivitis
Allergic conjunctivitis, also known as “allergic eye disease” affects almost 1 in 5 people. It’s a diagnosis to consider whenever a client presents with itchy, red eyes. The condition in itself is not life threatening, but unpleasant and debilitating if left uncontrolled. What is allergic conjunctivitis? Allergic conjunctivitis is an allergic condition caused in the [...]
Age related macular degeneration
We tend to associate blindness with birth defects, trauma to the eyes and chronic diseases like diabetes. However, loss of vision resulting in blindness can also occur as a result of ageing. Age related macular degeneration, unlike a simple refractory error which can be corrected with spectacles, results from degeneration to the innermost layer of [...]
Ocular nutrition
Introduction: Eyes form an intricate part of the body and they reveal a lot about our physical and emotional well-being. In comparison to a car, the engine being the heart, the gas tank being the stomach, the eye would be all the windows and gauges. Imagine having all the windows and not being able to [...]
Eye care for children
Children are often told to eat their carrots so they can see in the dark but this is only an old wives tale, green vegetables are more important for their sight development. It is important to teach children about looking after their sight, as it is the one sense we take for granted. Good eye [...]
Red eyes, pink eyes – are they tired eyes?
Red eyes are as a result of dilated blood vessels in the conjunctiva of the eye ball. The conjunctiva is the clear mucous membrane that covers the white part of the eye and the inside of the eyelids. When the eyes are tired they can go red but this is not the main cause of [...]
Computers and the Eye
Computers are used by many people at work. Computer eye strain has become a major job-related complaint. There are a set of symptoms that occur among computer users. These include decreased vision, burning and stinging and sensitivity to light. These symptoms have been called Computer Vision Syndrome (CVS). Frequency of CVS Various studies have shown [...]
