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January 23, 2017

The Modulus

When it comes to silicone hydrogel contact lenses, the term "modulus" is often used. The Modulus refers to the way of applying stress to the degree of change in the shape of an elastic body. In other words, the Modulus expresses the ability of a material to...

When we look at something and do not focus it well, the optical system is undergoing an “aberration” that is a difference between the real image and the one we perceive. The anomaly may influence the geometry or the focal level by changing the image at the peripheral l...

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