Why Your Child’s Eyesight Worsens Every Single Year

Understanding Myopia

Understanding Myopia

It is not uncommon for parents to feel anxious when they notice their child's vision getting worse year after year. Changes in your child's prescription during childhood are normal, but higher levels of myopia increase the risk of eye disease later in life. Myopia management is a specialty in eye care that aims to slow or stop the progression of myopia in children, protecting their vision for the future.

Myopia, or nearsightedness, is a refractive error where light entering the eye focuses in front of the retina instead of directly on it. This results in blurred distance vision while near vision remains clear. In a myopic eye, the eyeball is too long or the cornea has a curvature that is too steep. Myopic prescriptions are noted with a negative diopter value, and progression typically ranges between -0.50 and -1.00 diopters per year.

The elongation of the eyeball, referred to as axial length elongation, is a principal contributing factor to myopia progression. As children grow, their eyes may also grow longer from front to back, which can lead to a greater degree of myopia. The longer the eyeball becomes, the higher the likelihood of future eye health issues. Understanding this growth pattern helps eye doctors design management strategies that slow progression and protect your child's vision.

Myopia typically starts developing during childhood, often between the ages of 5 and 14, and can continue to progress into early adulthood. The early years are marked by rapid growth in the eye, which can lead to quick changes in the strength of your child's prescription. Younger children may experience faster progression, which gradually slows as they approach their teenage years. Annual progression typically worsens by -0.50 to -1.00 diopters, although various factors can impact actual progression.

Causes of Myopia Progression

Causes of Myopia Progression

Both genetic predisposition and environmental factors contribute to the development and progression of myopia. If one or both parents are nearsighted, their child is at an increased risk of developing myopia.

Extended periods of focus on screens or near tasks are linked with increased accommodative strain, the effort required to focus on close objects. The close proximity often demanded by mobile devices and computers forces the eyes to work harder. Research suggests this may be a contributing factor to myopia progression. This theory has support from specific populations with extremely high rates of myopia where young children spend most of the day reading small texts.

A decrease in the time spent outdoors has been associated with a higher risk of developing and worsening myopia. Natural sunlight prompts a natural narrowing of the pupil, which can minimize peripheral blur, a phenomenon believed to influence the growth of the eye. Some studies suggest that two hours a day of outdoor time can have a meaningful impact on the progression of a child's myopia.

The amount and quality of sleep a child receives may also play a role in visual development. Research indicates that a regular sleep schedule, with adequate rest and an early bedtime, can have a positive impact on visual development. These lifestyle habits, though sometimes seen as minor contributors, play an important role in the overall approach to managing myopia progression.

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The Importance of Early Intervention

The Importance of Early Intervention

The early years of myopia are the years with the fastest progression, which underscores the importance of detecting and starting treatment early. Early intervention with myopia management is one of the best defenses against the increasing severity of myopia. A child should have their first comprehensive eye examination as early as 6 to 12 months old, a program sometimes referred to as InfantSEE. You can use our children's symptom checker to help identify early signs of vision problems.

Following the initial infant examination, additional evaluations around age 3 prior to entering kindergarten are recommended, followed by regular yearly checkups. This ensures that any progression is closely monitored and managed. The earlier a child's myopia is detected and a management strategy begins, the greater the potential impact and risk reduction.

Standard corrective methods such as prescription eyeglasses or contact lenses are commonly used to improve blurry vision caused by myopia. While these lenses help bring distant objects into clear focus, they do not address the underlying progression of myopia. Your child's myopia may continue to worsen over time, requiring new prescriptions and potentially increasing the risk of eye disease later in life. Myopia management treatments are designed to address progression, not just correct vision.

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Myopia Management Treatments

Ortho-K, also known as Orthokeratology or Corneal Reshaping Treatment, is a unique approach to managing myopia in children. These specially designed rigid, oxygen-permeable contact lenses are worn overnight, gently reshaping the cornea while your child sleeps. The lens uses a reverse-geometry design to flatten the central cornea and steepen the periphery, which not only improves central vision but also helps reduce peripheral hyperopic blur. Research has shown that Ortho-K can be highly effective at reducing the progression of myopia and reducing axial length gain.

Multifocal contact lenses offer an effective method for managing myopia in children by altering the visual stimuli on young eyes. These lenses provide clear distance vision while also supporting good near vision, which can help slow the progression of nearsightedness. MiSight 1 Day lenses from CooperVision are the first FDA-approved contact lenses specifically for myopia control in children aged 8 to 12. Other multifocal lenses with broader parameters are also available for children with higher levels of myopia. These daily disposable lenses are comfortable, require no cleaning, and offer a convenient alternative to Ortho-K lenses. You can explore the research behind these treatments to learn more about their effectiveness.

Atropine eye drops have become a well-regarded option for managing myopia progression in children. Low-dose atropine is used to relax the eye's focusing mechanism, which can help slow the elongation of the eyeball. Unlike other treatments, atropine does not require the use of contact lenses or glasses, making it a good option for younger children or those who struggle with other myopia control methods. Studies have shown that atropine can be effective at reducing myopia progression, and it is often used in combination with other treatments to enhance effectiveness.

Specially designed spectacle lenses are also available for myopia management. These lenses, such as Stellest lenses, incorporate technology designed to slow myopia progression while providing clear vision for daily activities. They offer an option for children who may not be ready for contact lenses or atropine drops.

Each child's eye health is unique, and there is no one-size-fits-all solution in myopia management. Eye doctors carefully evaluate individual factors including age, current prescription, rate of myopic progression, and lifestyle. This personalized approach ensures that any intervention is well suited to your child's specific needs. At Insight Vision Center Optometry, doctors such as Dr. Thanh Mai, OD, FSLS, FIAOMC and Dr. Nathan Schramm, OD, FSLS, FBCLA have advanced training in myopia management and can help determine the best approach for your child.

Healthy Vision Habits

Healthy Vision Habits

One of the simplest yet most effective practices is to encourage more time outdoors. Natural light exposure helps narrow the pupil, reducing peripheral blur and potentially curbing the stimulus for axial growth. Consider making outdoor play a regular part of your child's routine. Whether it is a walk in the park or playing a game outside, these activities not only benefit overall health but also contribute to improved eye health. Some studies suggest that increased outdoor time may reduce the risk of new myopia onset significantly.

In today's digital world, managing screen time is more important than ever. Digital devices are typically held much closer to the face than traditional reading materials, which increases accommodative strain on the eye. Setting limits on screen time and ensuring that near tasks are interspersed with breaks can help ease the burden on your child's eyes.

  • Encourage breaks every 20 to 30 minutes when engaged in near tasks
  • Ensure work or reading areas are well lit to reduce eye strain
  • Teach children to maintain an appropriate distance from screens and books
  • Hold devices at arm's length whenever possible

Sleep plays a crucial role in overall physical development, including that of the eyes. A regular sleep schedule with proper rest of at least eight hours can help maintain the natural balance required for healthy eyes. Studies suggest that going to sleep earlier and ensuring adequate sleep may reduce the risk of faster myopic progression. Establishing a consistent bedtime routine and minimizing late-night screen use promotes better sleep quality and a healthier environment for your child's eyes to recover from the day's activities.

Frequently Asked Questions

Frequently Asked Questions

Myopia management can begin as soon as myopia is detected and progression is observed. Children as young as 5 or 6 years old can benefit from certain treatments, particularly if there is a family history of high myopia. The earlier treatment begins, the more opportunity there is to slow progression during the fastest-growing years.

Yes, contact lenses designed for myopia management have been studied extensively and are considered safe for children when used as directed. Many children adapt well to both daily disposable lenses and overnight Ortho-K lenses. Proper hygiene and care routines, taught by your eye doctor, help minimize any risks.

Myopia management is typically continued throughout the years when myopia tends to progress, often until the late teens or early twenties when the eyes have stabilized. Treatment duration varies based on the individual child's progression rate and response to treatment.

Current myopia management treatments aim to slow or stop the progression of myopia, not reverse it. Once the eye has elongated, that structural change is generally permanent. The goal of treatment is to minimize how much worse myopia becomes over time, reducing the associated risks of eye disease.

Without management, myopia may continue to progress throughout childhood and adolescence. Higher levels of myopia are associated with increased risks of conditions such as retinal detachment, glaucoma, cataracts, and myopic maculopathy later in life. Early intervention can help reduce these long-term risks.

Yes. Children using Ortho-K lenses wear them only at night, so daytime activities including sports can be done without any lenses. Children using daily disposable myopia control contact lenses can participate in sports while wearing their lenses. Your eye doctor can recommend the best option based on your child's activities.

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