Myopia (also known as nearsightedness)
Myopia (or nearsightedness) is very common. One out of two people (50%) have it. With myopia, the eye is longer than normal from front to back, or the cornea (the clear window at the front of the eye) is too steeply curved. This makes things that are far away from you look blurry. Myopia is corrected with glasses, contact lenses or surgery in some cases. Having myopia can increase your chances of having some eye problems later, like cataract, glaucoma and retinal detachment.
Studies show myopia is becoming more common among children. While there is no proven direct link, research suggests that children who spend more time indoors doing near-focused activities (such as computer work, video games, and reading) have higher rates of myopia than those who spend more time outdoors.
Doctors and optometrists are looking at ways to slow the progression of myopia in children. While myopia cannot be reversed, the goal of treatment is to keep it from getting worse. This can protect a child’s eye health in the future, despite still needing to wear glasses or contact lenses.
Visit www.mykidsvision.org for more info.
Steps You and Your Child Can Take that May Help Slow Myopia
Make sure your child spends more time outdoors. Limit screen time on computers or other digital devices. By balancing screen time with outdoor time, you may help limit your child’s myopia and protect their vision as they grow older.
Orthokeratology (ortho-k) refers to the use of gas permeable contact lenses, that are worn while asleep and removed upon awakening. They create a temporary change in shape of the cornea to correct for low- to-moderate amounts of myopia and astigmatism. Thus, glasses or contact lenses do not have to be worn during the day. Ortho-k induces peripheral myopic defocus along the horizontal and vertical meridians. This increased myopic defocus along with reduced peripheral hyperopic blur leads to a decreased stimulus for eye growth, thus halting myopia progression.
Peripheral defocus contact lenses
These special contact lenses are worn by children with myopia. This “multifocal” contact lens has different areas of focus, giving clear central vision and peripheral myopic defocus. It is this peripheral myopic defocus that reduces the myopia progression.
Specialised spectacle lenses
MiyoSmart is an innovative spectacle lens for myopia control developed by Hoya together with its research collaborator. Based on a two-year clinical trial results, MiyoSmart is proven to curb myopia progression in children in average by 60% with its award-winning D.I.M.S. (Defocus Incorporated Multiple Segments) technology.
Visit www.hoyavision.com for more info.
Low-dose atropine eye drops
Low-dose atropine for myopia is used for children between 5 and 18 years old. The drops are placed in the eye each night at bedtime. These drops have been proven to slow down the axial growth of the eyes, slowing the progression of myopia.
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