Replace Spherical Eyeglasses With Non Spherical Lenses May Have Differences Of The Image
Regarding the issue of cheapest eyeglasses "visual distortion", when replacing spherical lenses with nonspherical lenses, the image seen by nonspherical lenses is clearer and more natural, and there may be differences from the image seen by spherical lenses, so it feels like the object is distorted.   Myopia lenses are concave lenses, and the objects they see are clear images that have...
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