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THURSDAY, April 10, 2025 (HealthDay News) -- For children with myopia, wearing spectacles with highly aspherical lenslets (HAL) reduces the rate of myopia progression and axial elongation ...

This division molds special aspherical lenses from glass gob (a measured amount of molten glass cut from a stream of glass and fed into a molding machine) or blows it into a pre-form, with the melted ...

The elements of more extraordinary imaging Superior corner-to-corner image sharpness across the zoom range Eight ED glass elements, including two ED aspherical and one Super ED glass element, make the ...

A five-year clinical study has revealed that spectacle lenses equipped with highly aspherical lenslets (HAL) can significantly slow the progression of myopia and axial elongation in children.