Brisbane Orthokeratology Specialists are experts in ortho K astigmatism treatment in Brisbane. Use this guide compiled by our Brisbane specialist ortho K optometrists to understand how orthokeratology can be used for your Brisbane astigmatism treatment ...or contact us and we will help you along.
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Astigmatism is caused by imperfections in the curvature of your cornea — the clear, round dome covering the eye's iris and pupil — or in the shape of the eye's lens.
In a normal eye the cornea and lens are smooth and curved equally in all directions, helping to focus light rays sharply onto the retina at the back of your eye. Creating a clear image for both close and distant objects.
With astigmatism, the imperfections in the shape of the cornea or lens are inconsistent or more correctly asymmetric. This asymmetry means that images focus in front of and beyond the retina, causing indistinct and asymmetric blurring of the vision for both close and distant objects.
This asymmetry means that some areas of an image are more out of focus than others.
As every patients astigmatism is different it is hard to provide specific examples of the vision distortion. It is probably best to compare it to looking into a fun house mirror in which you appear too tall, too wide or too thin.
It may be an inherited characteristic or a normal variation accompanying growth.
Children can sometimes have astigmatism but not suffer any specific vision distortion as the suppleness of their young lens may enable the eye to adjust enough to maintain clear vision.
Astigmatism, due to the nature of the asymmetric patterns of blurring it is often categorised as:
Myopic astigmatism – the primary underlying issue is myopic in nature but not uniformly
Hyperopic astigmatism – the primary underlying issue is hyperopic in nature but not uniformly
Mixed Astigmatism – there is a mixture of myopic and hyperopic issues around the cornea.
The symptoms of astigmatism – even mild amounts – may include:
Areas of distorted vision
Eyestrain or eye discomfort
Squinting to try to see clearly
Brisbane Orthokeratology Specialists would love to help you discover how to their leading Brisbane orthokeratology optometrists use orthokeratology treatment to ease astigmatism for you. If you want to know more or are looking to buy ortho K lenses in Brisbane just contact Brisbane Orthokeratology Specialists we will be happy to help.
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