zeiss myokids

Zeiss Myokids is a specially designed progressive addition spectacle lens for children to control the accommodative lag during near vision tasks. The top half of the lenses correct the myopia, provide a clear and shape vision for distance while the bottom active zone simultaneously support near vision tasks.

Carl Zeiss Myopia Control Lenses
Carl Zeiss Myopia Control Lenses

Myopia is also known as short-sightedness, a common vision problem where you experience blur vision at distance but can see near objects clearly. It occurs due to long eyeball shape or the lens-cornea system of the eye is too strong. This causes the light rays focusing images in front of retina instead on your retina.

Myopic eye versus normal eye
Anatomical view of normal and myopic eye

According to World Health Organisation, in year 2020 it is expected more than 2 billion people is myopic over the world. This is predicted to rise to approximately 5 billion by year 2050. Xiang (2012) stated that the rate of myopic progression among 7 to 15 ages is -0.7 dioptre per year. Besides that, there is a risk for myopes to develop sight-threatening eye diseases such as glaucoma, myopic retinopathy and myopic maculopathy [Vongphanit et al 2002]

When myopic eyes look at near object with a standard lenses, often the eyes try to save energy and do not focus enough (accommodative lag) to bring the light ray back to retina. This will results in a false signal to our eyes to elongate which increase myopia progression. 

However, the Zeiss Myokids lenses bottom active zone (addition power) is very effective for near vision tasks by correcting this defocus. This will reduce in progression of myopia. According to Gwiazda (2004) the reduction of accommodative lag is known to result in a potential reduction of myopia progression. This new design, Myokids can reduce the lag of accommodation up to 30% compared to those conventional progressive lenses (Schilling et al 2017). Besides that, this special near vision design also supports the digital life of children nowadays to reduce eyestrain.

Difference between single vision lenses and Myokids lenses
Difference between single vision lenses and Myokids lenses

To optimise the function of the myopic control spectacle lenses, we as an optometrist do practice visual hygiene as well. Proper reading distance (not close than 30 centimetres), proper posture and lighting while reading or computing. Advise to take a 2 minutes break for every 30 minutes near vision tasks.

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