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Eye Conditions

Other Conditions

Other common eye conditions are as follows:

ASTIGMATISM is a condition in which objects are blurred more in one direction than another and is caused by an irregular shape of the lens or the front surface (cornea) of the eye. It can be corrected by spectacles, contact lenses and refractive surgery. Astigmatism may occur together with myopia or hyperopia.

Presbyopia

What is presbyopia? Presbyopia literally means ‘ageing sight’. When we read or look at something close, the flexible lens of our eye changes shape to provide the close focus required. However, as we age, the lens becomes less flexible and harder, effectively losing the ability to change shape over the progression of time. This inevitable loss of flexibility is called presbyopia and causes near vision to be blurred. Presbyopia is a natural part of ageing and a gradual process that usually begins at around 40 years of age.

Myopia

What is myopia? Myopia, also known as 'short-sightedness' or 'near-sightedness', causes people to have difficulty seeing distant objects clearly. There are currently 1.45 billion myopic people in the world, a figure that is growing rapidly. The myopic eye is longer than the non-myopic eye. This means that instead of focusing on the back of the eye (the retina), light focuses in front of it, causing blurred vision.

Dry Eye

What is 'dry eye' 'Dry eye' is one of the most common ocular complaints but it's not as simple as it sounds. It is a disorder of the tears and ocular surface that results in eye discomfort, visual disturbance, and often ocular surface damage. Producing insufficient tears is only one of several possible causes. Five to 30 percent of adults aged 50 years or older have some degree of dry eyes.