Myopia Control

What is Myopia?

Myopia (short sightedness) is a result of an excessive elongation of the eye, where light focuses in front of, instead of on the retina. This causes distance objects to be blurry while close objects appear normal. Recent studies have shown that the prevalence of myopia is on the increase. (By over 70% in Asia & by up to 50% in the US & Europe). The earlier the onset of myopia in an individual generally leads to higher level of myopia in later life. Which increases risk factors for several ocular pathologies including glaucoma, cataract, retinal detachment, & myopic maculopathy. Brought about by the accompanying elongation of the eye in high myopia (>-5.00DS).

Risk factors for myopia & myopic progression

  • One or both parents being myopic.
  • Already being myopic (short-sighted).
  • Being myopic at a young age.
  • Ethnicity.

What can we do to try and prevent myopia and its progression?

Time outdoors

Strong evidence exists that spending time outdoors (more than 2 hours per day) can protect against the onset of myopia. Plus possibly reducing the final level of adult myopia. The total time spent outdoors appears to be the important factor, rather than the nature of the activity undertaken.

Near activity

The association between near work and myopic progression has been evaluated in numerous studies and the outcomes were beyond doubt. Excessive accommodative demand caused by near work has been linked to myopic progression. Along with the resulting hyperopic blur. It is recommended to limit the time children are spent undertaking near visual tasks ie viewing mobile phones and tablets.

Special spectacles incorporating a reading prescription can be prescribed if excessive near accommodation is found during an eye examination.

Spectacles and contact lenses

Recent theories & studies are now offering new suggestions and findings. One being that one of the reasons for myopic progression is that conventional spectacles and contact lenses are such that whilst the central image formed on the retina is in focus, the peripheral image formed by these lens designs is behind the peripheral retina. It is thought this may promote elongation of the eye as it attempts to form an image on the peripheral retina. By prescribing optical corrections such as peripheral de-focus spectacles (MiYOSMART or Stellest lens) and special contact lenses (soft dailies & orthokeratology) we now have options to help slow myopic progression and improve outcomes for children or younger patients.

Studies have looked at pharmacological intervention (such as the Atropine for treatment of Myopia Study) to reduce myopic progression. But this option is not currently available in the UK. Single-vision under-correction was a popular option for myopia management. However, randomised clinical trials unequivocally have shown not only does this strategy not work but actually can cause the progression of myopia. Therefore is not recommended as a myopia control strategy.

It is important to note that no one treatment can promise to stop myopia progression in children, only slow it down.

Recommended available interventions

Multifocal or bifocal spectacle lenses

This is a lens correction with a reading zone in the lower part of the lens that reduces accommodative effort which helps reduce myopic progression. Various studies show this type of correction can reduce the final level of adult myopia by approximately 11-46%, especially for individuals with additional near vision focussing issues(1).

Peripheral de-focus spectacle lenses

This is a lens which has special ringed zones in periphery which create a peripheral de-focus which reduces the stimulus for the eye to continue to elongate slowing myopic progression.  Studies have shown this type of intervention can reduce myopic progression by up to 67% when worn 12 hours a day(2).  The Essilor Stellest lens is a game changing innovation in the field of myopia control and is now available at the practice.

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 Multifocal Contact Lenses

This works by allowing a clear central image to be formed on the retina whilst reducing the peripheral hyperopic defocus that is typically found in myopic eyes. This reduces the elongation of the eye. Various studies show this type of correction can reduce the final level of adult myopia by approximately 30-50% (3). We are accredited to fit the MiSight Soft Daily myopia control lens at the practice.

Myopia Management

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Orthokeratology lenses ( Ortho-K ) are rigid contact lenses that you sleep in which gently alter the shape of the cornea ( like braces on teeth) so on awakening you can see clearly for the day without the needs or contact lenses or spectacles. With regard to myopia control, this works by flattening the corneal curvature in such a way that creates peripheral hyperopic defocus which reduces the stimulus for the eye to elongate similar to the other methods of myopia control. Various studies have shown this type of correction can reduce the final level of adult myopia by approximately 32- 63%(4).

Useful Resources

There are extensive research papers and online material on myopia management.

  1. Brien Holden Vision institute – Myopia Management
  2. Optometry Today Volume 58:02 February 2018 – Myopia
  3. Review of Optometry July 2012 – Consider Ortho-K for myopia control

What our customers are saying

Maybe I was just lucky but I needed a quick check up and phoned three Of the mainstream branches of a well know optician in Eastbourne and Hailsham. Unfortunately they didn’t have any appointments free.
One of them referred me to Focus Medical Centre, I phoned and they saw me straight away.
I was amazed at the technology and equipment they had there, my problem was diagnosed and a hospital referral set up on the spot.
When they say it pays to shop around it certainly does but this small business needs to be recognized. Some of the equipment they use for diagnosis is not owned by some of the mainstream Opticians and also some of the hospitals.
Thank you.

Chris Cossey

If you have any questions about the services or products we offer please contact our team and they will do their best to help you.

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