MiSight Contact Lenses

MiSight Contact Lenses

Myopia Management through Soft Contact Lenses

Shortsightedness (myopia) has become much more prevalent in the last 50 years. In 1960 the proportion of myopic children in the UK aged 10-16 years was 7.2%. The prevalence in the UK more than doubled in the period between 1960 and 2001960        2006 8

In South East Asia the problem has accelerated quickly - in  China, sixty years ago, 10–20% of the Chinese population was myopic. Now - up to 90% of teenagers and young adults are myopic with almost 20% being highly myopic and less than 4% remaining emmetropic (not needing glasses). The prevalence of myopia and high myopia is increasing at an alarming rate and brings with it an associated increase in the risks for vision impairment. By 2050, 50% of the global population is predicted to be myopic. That equates to almost 5 billion people. 

prevalence

It's not just about incidence but also increasing severity. As the eye continues to grow, the retinal tissue has to stretch, leading to myopic pathology. Higher myopia ( > -5.00DS ) raises the chance of suffering with associated pathology. This makes managing progression vital. The main risk factors are family history (parents with myopia), living in urban communities, being from South East Asia and not spending enough time outside. If you become myopic (shortsighted) early in life (under 13) your myopia may progress 2-3 times faster than if you are older than 13. 

Risks

There are now a number of new ways to try and slow the progression of myopia - now called "myopia management":

  • Spectacle lenses (eg MiYoSmart)
  • Ortho-keratology (eg Night Lenses)
  • Eye drops (still under trial and not available under licence in UK)
  • Soft Contact Lenses  - MiSight

 MISIGHT CONTACT LENSES

The world's first soft contact lens proven to significantly slow the progression of myopia in children, lowering the risk of myopia-related conditions later in life.3

MiSight is a daily disposable soft contact lens which has been developed, trialled and is now fully licenced in the UK to slow the progression of myopia in children by up to 59%. The lens fits and is comfortable similar to other daily disposable soft contact lenses.

MiSight are recommended for fitting to children from 8-12 years of age who have a prescription between -0.75 and -4.00 dioptres (spherical equivalent) with less than 0.75 dioptres of astigmatism. 

Parental consent and cooperation is very important. Children selected to wear MiSight Soft Contact Lenses should be chosen for their motivation to wear contact lenses, general health and cooperation. Patient hygiene and ability to follow practitioner instructions are essential to the success of wearing the lenses and slowing myopia. 

The lens is to be discarded after each removal.

PRE-FITTING EXAMINATION

An eye examination, including personal and family history, refraction, keratometry, biomicroscopy, and other pertinent tests and measurements will be performed to rule out any contraindications to contact lens wear. If the patient has the necessary qualifications and no contraindications exist, the child may be considered for fitting. Trial lenses are available. 

When fitting contact lenses to children, it is important that the child is able to insert and remove lenses by themselves but that the parents are aware and knowledgeable as well. We will discuss with you as to the best approach for your child. You and your child will be instructed on the technique for soft lens insertion and removal. Insertion and removal is done in the conventional manner used for soft hydrophilic contact lenses. Written instructions and a copy of the MiSight (omafilcon A) Contact Lens Patient Instruction Booklet will be provided - you can also access instructions at the link below.

It is normal for the new wearers to experience mild symptoms such as lens awareness, variable vision, occasional tearing (watery eyes) and slight eye redness during the adaptation period. Although the adaptation period varies for each individual, generally within a few days these mild symptoms will disappear. If these symptoms persist, you should contact your Mackey Opticians optometrist.

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RECOMMENDED WEARING SCHEDULE

New contact lens wearers may wish to increase their wearing time slowly over the first week as they adapt to handling and wearing lenses. A suggested maximum wearing time for the first week may be as follows:

Day 1 - 6 hours

Day 2 - 8

Day 3 - 10

Day 4 - 12

Day 5 - 14

Day 6 - All waking hours

Based on the clinical study, it is recommended that the patient wear the lens for a minimum of 10 hours per day for at least 6 days per week. Daily wear lenses are not indicated for overnight wear, and children should not wear lenses while sleeping.

The MiSight lenses are indicated for daily disposable replacement. The lenses should be thrown out at the end of each day.

FOLLOW-UP CARE

It is recommended during the first several months of wear, that children wearing contact lenses see their Optometrist more often to assure good contact lens hygiene practices are developed. We will normally see your child after a week and then after a month. Thereafter, it is recommended that a contact lens-wearing patient see his or her eye-care practitioner at least twice each year.

THE LENS

Features
  • Designed for children who have a myopic prescription from -0.25D to -6.00D
  • Features unique ActivControl™ technology to reduce myopia progression
  • Proven to reduce myopia by up to 59% after three years' wear in children1
  • Convenient 1-day wear schedule
  • Preferred 9:1 by children over spectacles.1
ActivControl™ technology utilises dual zones for myopia management and correction
  • Optical zone with ActivControl® technology
  • One optic zone, having:
    • Two correction zones (refractive correction)
    • Two treatment zones (+2.00D: myopic defocus)
  • Sustained myopic defocus is currently thought to control axial elongation (and therefore refractive error) as the treatment zone image focal plane is located in front of the retina, not behind.
Proven to reduce the rate of myopic progression in children

After three years' wear:

Children wearing MiSight® 1 day had 59% less myopic progression on average compared to the control group (0.54D).3

MISIGHT RX RED

Children wearing MiSight® 1 day had 52% less axial eye growth on average compared to the control group (0.24mm). Changes in refractive error are highly correlated with changes in eyes' axial lengths.3 

MISIGHT AXIAL RED

Preferred by children and reassuring for parents

A study showed that children were far more satisfied with their contact lenses than their spectacles and that parents' concerns with their child wearing contact lenses was significantly reduced after witnessing the first four weeks of wear.3

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 Links:
  1. Coopervision MiSight 1-Day
  2. Applying and Removing MiSight 1-Day contact lenses
  3. A 3-year Randomized Clinical Trial of MiSight Lenses for Myopia Control
  4. Brilliant Futures™ Myopia Management Programme featuring MiSight® Press Release

Mackey Opticians

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   422 Newtownards Road, BELFAST, Co. Antrim, BT4 1HJ

   028 9073 9909

   info@mackeyopticians.com

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