Myopia Management in children

What is myopia?

Myopia, which is also known as shortsightedness in medical terms, is a condition in which faraway objects appear blurry to individuals. Studies reveal that one out of every three people in the UK (1) is affected by myopia, and estimates suggest that about 50% of the world's population will develop this condition by the year 2050.

Myopia, or nearsightedness, can develop at any age, but it is especially worrisome when it starts in young children. This is because the eye is still growing during childhood, which can cause myopia to progress quickly. The earlier myopia starts, the more severe it can become and the greater the risk to eye health. A prescription with ‘0.00’ or ‘Plano’ means that no glasses are needed to improve vision. It's important to note that myopia measurements are always expressed as negative numbers in increments of -0.25 or less.

It's crucial to manage all myopic prescriptions in children, and Optometrists play a key role in advising on appropriate care based on the extent of short-sightedness. The classification of myopia includes:

  • Mild myopia: -0.25 to -3.00

  • Moderate myopia: -3.25 to -5.00 or -6.00

  • High myopia: greater than -5.00 or -6.00

Normal vision explained
Myopic vision explained

Normal Vision: No spectacle Prescription, 0.00

Myopic Vision: Prescription, -0.25 and beyond

Unlike nearsightedness or myopia, which is a negative number, hyperopia or "longsightedness" is always a positive integer, starting from +0.25. Those who have hyperopia will see nearby objects as blurry, but distant objects will appear clearer.

What are the symptoms of myopia?
What should you look out for?

Sometimes, individuals may experience difficulty seeing distant objects clearly, such as having trouble reading street signs while driving or needing to squint while watching television. If you are facing such vision concerns, our team of Dispensing Opticians is available to help you choose the right glasses that suit your needs and address your vision issues effectively.

Myopia can develop in anyone, and since children may not be aware that their eyesight is not "normal," there are specific signs for adults to be mindful of. In infants, toddlers, and children, signs may include frequent eye rubbing, sitting too close to the TV, struggling to see the whiteboard at school, and complaining of headaches or eye strain.

Sometimes, myopia may progress without noticeable symptoms, underscoring the importance of regular check-ups with a local optician. We strongly advocate for parents to bring their children for eye examinations from an early age, ideally initiating the first eye test around age 3 or 4.

The progression of myopia is often most pronounced during growth, with changes in prescription naturally slowing down in the late teens to early twenties for the majority of myopic children.

Unlike children, adults do not develop myopia in the same manner, eliminating the need for myopia management in adults.

If there are any worries about an individual's or a child's eyesight, it is recommended to schedule an eye examination. Our Eye Examination is an excellent option, which includes ultra-widefield and 3D Retinal Photography as standard. This exam involves capturing a digital image of the back of the eye, which helps to provide personalized care and optimal advice.

What causes myopia?

Myopia, also known as nearsightedness, can be caused by a combination of genetics and lifestyle factors. While it typically develops during childhood, it can also occur in adults. Children who have a parent with myopia are more likely to develop the condition, but there are cases where there is no family history. Environmental factors and spending prolonged periods of time on near tasks, such as using electronic devices like smartphones, tablets and computers, can also contribute to the development of myopia.

Extended periods of high concentration, close-up tasks such as using smartphones, tablets, and computers, have been shown to increase myopic symptoms [2].

It is important to ensure that your children spend time playing outside and using computer screens safely. This can help to reduce their risk of developing shortsightedness. To achieve this, you can encourage them to follow the 20-20-20 rule, which involves taking a 20-second break every 20 minutes and looking at something that is at least 20 feet away. Additionally, it is essential to ensure that there is adequate lighting when they are doing high-concentration tasks, such as reading and writing.

  1. NHS: https://www.nhs.uk/conditions/short-sightedness/

  2. Relation between Near Work and Myopia Progression in Student Population. Mater Sociomed, 2014: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4035135/

  3. Clinical trial, A 3-year Randomized Clinical Trial of MiSight Lenses for Myopia Control, Chamberlain, 2019

  4. Myopia progression (SER) by 59% and axial elongation (AL) decreased by 60% compared with those wearing SV lenses.

Understanding short sightedness (Myopia) in children.

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