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What Causes Myopia To Worsen?

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Out of focus young girl holding up glasses.

You’ve probably noticed your child’s vision getting worse each year, or maybe your own prescription keeps getting stronger. This frustrating pattern happens when your eyes continue changing shape, making distant objects appear increasingly blurry. 

Forest City Optometry sees many families dealing with this progressive vision challenge, and understanding what drives myopia progression can help you take action to slow it down with proper myopia control strategies.

Several factors contribute to worsening myopia, including natural eye growth during childhood and teen years, daily habits like excessive screen time and limited outdoor activity, and genetic predisposition from family history.

How Your Eye Changes Lead to Worsening Myopia

Your eye naturally grows longer from front to back as you develop. When this growth happens too quickly or continues too long, light focuses in front of your retina instead of directly on it. This creates the blurry distance vision you experience with myopia.

Most children’s eyes continue growing through their teenage years. You might notice your child needs stronger glasses every year during this time. Vision typically stabilizes around age 20 when eye growth slows down significantly. Understanding this myopia development process helps explain why early intervention matters so much for protecting long-term vision health.

Daily Habits That Make Myopia Worse

Screen Time & Close Work

Hours spent on phones, tablets, computers, reading, and homework require sustained near focus that strains your accommodation system. Research shows that excessive near work—particularly more than 3 hours daily—is associated with faster myopia progression in children.

Taking breaks from close work and limiting total screen time helps reduce eye strain. However, reducing near work alone doesn’t slow myopia progression as effectively as increasing outdoor time and using myopia control treatments.

Limited Outdoor Activity

Spending less than 2 hours outside daily affects eye development in children. Natural light exposure—particularly bright outdoor light levels—stimulates dopamine release in the retina, which helps regulate healthy eye growth and prevents excessive elongation.

Outdoor activities also provide natural breaks from near work, allowing your eyes to focus on distant objects. Research shows that children who spend at least 2 hours outdoors daily have significantly lower rates of myopia development and slower progression compared to those who stay indoors most of the day.

Family History & Genetic Factors

Your risk increases significantly when both parents have myopia. Children with two myopic parents face much higher chances of developing and experiencing worsening nearsightedness. Genetic factors influence how your eye grows and develops its final shape.

These inherited tendencies combine with your lifestyle habits to determine progression speed. You can’t change your genetics, but you can modify environmental factors that influence how myopia develops. Understanding this myopia management research helps families make informed decisions about their children’s eye care needs.

Teen girl doing homework while holding her glasses on her face.

How Forest City Optometry Helps Control Myopia Progression

Myopia Control Treatment Options

Forest City Optometry offers several evidence-based treatments to slow myopia progression:

Orthokeratology (Ortho-k) Lenses

Ortho-k lenses are worn overnight to temporarily reshape the cornea while you sleep. After waking up, your child removes the lenses and enjoys clear vision throughout the day without glasses or daytime contacts. These lenses work well for active children who play sports and help slow myopia progression through corneal reshaping.

MiSight Daily Disposable Contacts

MiSight lenses are specifically designed for children aged 8-12 with nearsightedness. Clinical studies show these lenses slow myopia progression by an average of 59%. The dual-focus design provides clear vision while altering how light focuses on the retina to signal the eye to slow its growth.

ACUVUE Abiliti Soft Contacts

ACUVUE Abiliti soft contacts manage myopia by changing how light focuses on the retina to signal the eye to slow its growth and reduce progression. These lenses feature breathable material that helps keep eyes fresh and hydrated throughout the day.

Stellest Lenses by Essilor

Stellest eyeglass lenses use Highly Aspherical Lenslet (HAL) technology around the outer rings to change how light focuses on the retina. When worn 12 hours daily, studies show Stellest lenses slow myopia progression by 67%. These lenses can be fitted in various eyeglass frames so your child can look great while protecting their future eyesight.

Low-Dose Atropine Eye Drops

Low-dose atropine drops (0.01%-0.05%) used daily help suppress eye growth to slow myopia progression. We may also recommend contact lenses or eyeglasses to provide clear vision during treatment.

Regular Monitoring & Adjustments

Frequent eye exams track how quickly myopia progresses and allow us to adjust treatments as needed. We monitor axial length (eye elongation) and refraction changes to maintain effective control. Early intervention prevents myopia from reaching high levels that increase risks of serious eye complications like retinal detachment, glaucoma, and myopic maculopathy later in life.

Protect Your Child’s Vision

Schedule a comprehensive children’s eye exam at Forest City Optometry to discuss myopia control options. We’ll assess your child’s current myopia progression, explain which treatments are most appropriate for their age and lifestyle, and create a personalized plan to slow progression and protect their long-term eye health.

Written by
Dr. Wes McCann

Dr. McCann earned his two Bachelor of Science degrees (both with honours) at Western University in London, Ontario, before going on to earn his Bachelor of Vision Science, accelerated MBA, and Doctor of Optometry degrees at the Nova Southeastern University (NSU) of Optometry in Fort Lauderdale, Florida.

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Dr. Wes McCann
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