optician /orthokeratology  Galway

phone: 091 586 748 / 091 586 749

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MYOPIA CONTROL/ TACKLING SHORTSIGHTNESS

*myopia is blurred distance vision.

*in myopic people, their eyeball is too large so that the percieved image is focused too soon, in front of the retina(the film) at the back of the eye.

*myopia cannot be cured because we cannot make (or shrink) the eyeball smaller.

*there has been an INCREASE in myopia in children over the past few decades.

*myopia is getting diagnosed EARLIER in school going children and frequently gets worse and worse (eyeball continues to grow) once diagnosed.

*myopia also frequently develops in students at college, or in young adults working on computers all day.

*myopic progression results in the expensive need for frequent changes of glasses and also presents an increased risk to eye health as the child becomes an adult.

*myopic eyes are more at risk at developing Glaucoma, Cataracts and retinal detachments.

*increased close work ( VDU, Nintendos,IPads,reading) especially in reduced lighting and less time spent outdoors are likely contributing factors to the increase of myopia across the world.

*a child with both parents myopic is 6 times more likely to become myopic in comparison to a child with no myopic parents, a child with 1 myopic parent is 3 times more likely to becoming myopic. Some children/adults become myopic even with no family history.

WHY CONTROL MYOPIA?

This is deciding to take an active role in slowing down yours or your child’s myopia, rather than just accepting that nothing can be done about the increase in prescription every few months.

The earlier we can “catch” the myopia the better.

On average, myopia increases -0.50DS every 12 months, however this can occur faster for a few yrs, then slow down and speed up again later on.

So a child with low myopia in 2nd class most likely wont be able to read the biggest letter on the eye chart by they time the reach 6th class!
HOW TO CONTROL/SLOW DOWN MYOPIA?
In a myopic person, the central focus part of the retina is myopic, but the peripheral retina is actually hyperopic(longsighted).

This peripheral hyperopia is unique to myopes and isn’t present in eyes with normal vision.

When we correct the myopia with normal glasses or contact lenses we correct central vision but the peripheral retina is still hyperopic. It has been shown in animal research that a hyperopic focus behind the retina appears to encourage the eye to elongate towards the focus, hense induce more myopia.

Some new spectacles and contact lens designs aim to reverse detrimental peripheral defocus so that the peripheral focus in on or in front of the retina – just as it is for normally sighted children whose vision isn’t worsening.

Recent studies carried out with myopic children and these contact lenses are showing great success.(eg Jeff Walline 2011,)

I realise that the above explanation may appear a little confusing, so I strongly recommend you log onto www.myopiaprevention.org which is an unbiased website, brimming with explanations (I especially like the video in the “topics of interest box”) and has summaries of nearly every research paper/study carried out on myopia.

Another excellent website we recommend is www.orthokdoctors.com.

Here at Andrea Concannon Opticians, we feel we have a duty of care to inform all our myopic children/adults and their parents about myopia control and offer them a choice.

ORTHOKERATOLOGY/ORTHO-K: These custom made contacts are worn at night and removed in the morning. You then enjoy clear vision all day without the need for glasses or other contact lenses. These reverse geometry lenses use the tears to gently reshape the surface of your eye.

Ortho-K is suitable for adults and children and has been shown to slow the progression of myopia by at least 50% and in some cases 100%!!

Its available for myopes up to -4.50DS, above this amount things can get a little trickier for controlling the myopia.

Ortho-K lenses have the retinal effect of eliminating the detrimental hyperopic focus, hence the wonderful success rate.
MYOPIA CONTROL/ TACKLING SHORTSIGHTNESS

SOFT BIFOCAL/MULTIFOCAL CONTACT LENSES: These are recommended for myopes who aren’t suitable for Ortho-K.

Alot of trials/research on their effect on myopia progression are still on going.

They appear to reduce the hyperopic blur in some myopes.

They are worn and cared for like a soft lens and cause no problem of handling for the child.

With these lenses, if there is a chance of slowing down the myopia and they have no negative visual effect on the child/adult, then one has nothing to lose and ALOT TO GAIN!

These lenses can be more expensive than regular soft lenses but speak to our practitioners and they can go through what your different options are.

We look forward to answering any queries you may have regarding myopia and the information above.
Contact us at 091-586748 for an appointment with Andrea (our Myopic Specialist)

 

******** ITS OUR VISION TO IMPROVE YOURS*********

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To make a booking or if you have any enquires contact us via our details below:

Phone 091 586 748
email info@andreaconcannonopticians.ie
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