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Home » What's New » Progressive Myopia: When Your Child’s Vision Keeps Getting Worse

Progressive Myopia: When Your Child’s Vision Keeps Getting Worse

What Is Progressive Myopia?

Nearsightedness or myopia is one of the most prevalent eye disorders worldwide and its incidence is increasing. In fact by 2050, myopia is projected to affect half of the world’s population!

Many children diagnosed with nearsightedness (myopia) experience a consistent worsening of their vision as they grow into adolescence. This condition can be so aggressive that for some, each time they take their child to the eye doctor for a vision checkup, their prescription gets higher. 

This is called progressive myopia and can be a serious condition for many children now and in the future. Not only is there a financial burden and inconvenience associated with having to replace eyeglasses on a regular basis, but high myopia is a risk factor for many eye diseases later in life such as retinal detachment, early onset cataracts, glaucoma and macular degeneration. 

What Causes Progressive Myopia?

Myopia is a refractive error that happens when the eye focuses incoming light in front of the retina, rather than directly on it, resulting in blurred distance vision. While an exact cause of progressive myopia is not known, research indicates that a combination of environmental and genetic factors, such as a family history of nearsightedness, trigger the condition. 

Environmental factors such as spending a lot of time indoors may play a role in myopia development, as studies show that children who spend more time outside have less incidence of myopia. Near point stress, which can be caused from looking at a near object for an extended period of time, can prompt the eye to grow longer and result in myopia. Several eye doctors recommend following the 20-20-20 rule (stopping every 20 minutes to look 20 feet away for 20 seconds) to reduce near point stress caused by reading or electronic device use. 

What Can Be Done To Prevent or Treat Myopia?

There are several treatments that have been shown to slow the progression of myopia.

Orthokeratology (ortho-k):

Also known as corneal reshaping, this treatment uses rigid gas permeable contact lenses worn while the patient sleeps to reshape the cornea, which is the clear front part of the eye. During the day, the lenses are removes and the patient is able to see clearly, glasses-free. In addition to allowing glasses-free vision during the day, this treatment has been shown to reduce the progression of myopia in children. 

Multifocal Contact Lenses:

This treatment uses multifocal contact lenses with a specific design called center-distance (which means the area for seeing at a distance is in the center of the lens) to provide clear vision and slow the progression of myopia. The lenses are worn as normal contact lenses during the day.

Atropine Drops:

Atropine drops are a daily-use prescription eye drop that has been shown to reduce myopia progression. It can be used alone or in combination with ortho-k or multifocal contact lenses. 

Additional Myopia Treatments:

While these treatments are available in all of North America, some countries offer additional options that are approved for myopia control. For example, in Canada, ZeissTM MyoVision glasses that have an innovative lens curvature design are available to help reduce the rate of myopia progression. Additionally some doctors in Canada offer Coopervision MiSight® lenses, which are 1-day contact lenses that are worn during the daytime. These contacts have a multifocal lens design with distance center and near surround that is specifically designed for children. 

Myopia & Your Child

If your child’s vision keeps getting worse, it’s more than an annoyance – it can be a serious risk factor for their eye health and vision in the future. The best strategy for myopia control depends on the child and the severity of the case, and requires consultation with an experienced eye doctor in order to determine the best solution. If your child wears glasses, make his or her vision a priority; schedule an eye exam to ensure stable vision and healthy eyes.