A Posterior Chamber Lens with Toric Surface Design
A toric surface and posterior chamber technology, applied in the direction of intraocular lenses, eye implants, etc., to achieve the effect of good visual focal depth and excellent visual imaging quality
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[0030] The present invention will be described in detail below in conjunction with the accompanying drawings and specific technical solutions and implementation methods.
[0031] The present invention provides an intraocular posterior chamber type intraocular lens based on the toric surface design of high refractive index, high Abbe number and other excellent optical technical indications and good biocompatibility materials, which can compensate for corneal astigmatism, and at the same time compensate for corneal astigmatism. Spherical aberration, thereby improving the visual quality of astigmatic cataract patients in poor light or dark environment conditions. In addition, the posterior chamber lens of the present invention is made of medical cross-linked polyolefin material, the optical refractive index of the medical cross-linked polyolefin material is greater than 1.51; the Abbe number of the medical cross-linked polyolefin material is >45, so The Abbe number of the medical...
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