Myopia Control at Eyedeology

Myopia, also known as nearsightedness or short-sightedness, is an eye condition where objects nearby or a short distance away are clear but objects that are far away are blurred. In 2010, approximately 1.5 billion people around the world are affected by myopia and it is estimated that this number will rise to 5 billion people by 2050. Myopia is the single most significant cause of distance vision impairment.

Are you nearsighted? Myopia control is a clinical method we use at Eyedeology to slow down or stop the progression of myopia (nearsightedness) in children and young adults. Most myopic people have a longer eye shape and the focusing power of the eye is determined by the peripheral or side vision, not central vision. Therefore, in myopia control, we create a peripheral defocus to prevent the eye from elongating further and prevent myopia from increasing.

Depiction of eye shape in normal eye versus a myopic eye (2).

We have noticed that once you are myopic, the prescription gets worse with time. Higher levels of myopia are linked with higher risks of eye diseases such as glaucoma, retinal detachment and cataract later in life as seen on the chart below.

Emmetropia = 1x Cataract Glaucoma Retinal detachment
-1.00 to -3.00 2 x 4 x 4 x
-3.00 to -6.00 3 x 4 x 10 x
-6.00 or greater 5 x 4 x 16 x

Listed below are the different methods we use for myopia control at Eyedeology and their effectiveness in slowing down myopia progression.

Types of vision correction Effects on slowing myopic progression
Normal glasses and standard contact lens 0-5%
Progressive and multi focal lens 12 – 55%
MyoVision™ 0 – 30%
Multi focal contact lens 29 – 45%
Atropine 0.01% 30 – 77%
reducing to 30% after cessation
Orthokeratology 32 – 100 %

This data was compiled from over 30 research papers.

At your initial nearsightedness consultation, our Optometrists will personalize the best method for each candidate after assessing the goal of treatment, maturity level, glasses prescription and ocular health. Each individual is unique and we custom design a treatment option based on your needs.

More about our Treatment Options

Orthokeratology (OrthoK)

Looking for contact lenses for nearsightedness? Orthokeratology uses customized contact lenses for corneal reshaping of the eye to improve vision. Orthok is a nonsurgical and reversible way for corneal reshaping. It’s a great alternative to LASIK or PRK for those reluctant or unable to undergo laser refractive surgery and looking for an alternative to wearing glasses or contacts during the day. A good analogy would be that OrthoK is the optical equivalent of dental braces. A retainer lens is worn overnight while sleeping which gently molds or reshapes the cornea creating a sharpened image when you wake. The cornea retains its shape during the daytime so that good vision is maintained all waking hours. Each night the process is repeated although some find they only need to wear their molds every other night. According the table above, studies show that OrthoK has been the most effective method to reduce and slow down the progression of Myopia especially if your eye prescription is below -5.00D. Interested in vision shaping treatment? Let us know!

Ortho K picture (3)

Atropine Drops

Atropine Drops are a pharmaceutical eye drop that has shown potential to slow down the progression of myopia. Low dose Atropine 0.01% has minimal effects on pupil dilation causing light sensitivity, less accommodation (ability to focus at near), and near vision. This is a great option for patients who are not a candidate for Orthokeratology or in younger patients.

Soft or Hard Multifocal Contact Lenses

Interested in multifocal contact lenses? Soft or Hard Multifocal Contact Lenses are lenses that cause blur of the peripheral vision in order to slow down myopia progression. As these multifocal contact lenses focus light in front of the retina, they slow down the growth of the eye. These multifocal lenses are to worn every day except when sleeping for corneal reshaping.

MyoVision™ lenses

MyoVision™ is a ZEISS lens design to provide sharp vision while managing peripheral blur. See more

Environmental modifications

Some studies have shown that changing your day to day activities can naturally help decreases the severity of myopia. Suggestions include:

  • Going outside more often (for a walk, outdoor activities, etc.) for a minimum of 2 hours is correlated with later onset and a reduction in myopia
  • Taking breaks from the computer screen and following the 20/20/20 rule (looking 20 feet away for 20 seconds every 20 minutes)
  • Keeping a good working distance of 16 inches for adults and 12-13 inches for younger children when working up close (Harmon’s distance)

Read more on Myopia Control on our Blog: Myopia Control Part 1 and Myopia Control Part 2

For more information on myopia control options for yourself or your child, feel free to contact us directly 587-315-1074 or via email at info@eyedeology.ca.

References