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How do people get nearsighted？
The exact cause of nearsightedness is not completely understood, but several factors contribute to this refractive error, which is characterized by clear eyesight up close but blurry distance vision. Researchers who study nearsightedness have identified at least two key ...Read more -
What is Blue light and why should you buy blue blocker light lenses？
Blue light is the visible light spectrum with the shortest wavelength and highest energy, and similar to ultraviolet rays, blue light has both benefits and dangers. Generally, scientists say the visible light spectrum comprises electromagnetic radiation with wavelengths ...Read more