Dynamic dual-mode adjustable intraocular lens and dynamic adjusting method for human eyesight

Abstract

The invention relates to a dynamic dual-mode adjustable intraocular lens and a dynamic adjusting method for human eyesight. The dynamic dual-mode adjustable intraocular lens comprises an optical part and at least two ties, wherein the optical part is made of a flexible material; and the at least two ties are peripherally and symmetrically arranged around the optical part and connected with the optical part. After the dynamic dual-mode adjustable intraocular lens is implanted in a capsular bag of an eye, the ties supported on the inner wall of a capsular bag sulcus can cause the optical facial curvature of the optical part to change under the action of tensile force of the capsular bag. The invention also relates to the dynamic adjusting method for the human eyesight by using the dynamic dual-mode adjustable intraocular lens implanted the human eye. By using the dynamic dual-mode adjustable intraocular lens and the dynamic dual-mode eyesight adjusting method, the focus adjusting range is large, the implanted incision is small, the risk of occurrence of posterior capsular opacity after intraocular lens implantation can be reduced, and complications such as shifting and eccentricity after adjustable intraocular lens surgery can be effectively reduced.

Description

technical field [0001] The present invention generally relates to the field of intraocular lenses. Specifically, the present invention relates to a dynamic dual-mode adjustable focus intraocular lens and a method for dynamically adjusting human vision by using the dynamic dual-mode adjustable focus intraocular lens implanted in the human eye. Background technique [0002] An intraocular lens is an artificial lens that can be implanted in the eye to replace the natural lens in a person's eye that is clouded by cataract disease, or used in refractive surgery to correct a person's vision. The shape of the intraocular lens usually consists of a circular optic and surrounding support haptics. The optical part is made of transparent polymer material. These polymer materials can be hard or soft. Artificial lenses made of hard materials must pass through a large incision (usually greater than 6 mm) to be implanted in the eye, so they have basically been eliminated in developed co...

AI Technical Summary

Problems solved by technology

For the prior art focusable intraocular lens design that adjusts the diopter solely by the movement of the front and rear positions of the intraocular lens, because the rear optical surface of its intraocular lens has a relatively large movement range of ≈1 mm, the adjustable focus intraocular lens is placed in the ciliary muscle. Alternating gaps between the posterior optical surface and the posterior capsule are created during the adjustment process, providing room for the growth of posterior capsule opacity, causing inconvenience to the patient

For adjustable focus intraocular lens implantation surgery, it is clinically required that the replacement and removal of this adjustable focus intraocular lens should be performed under the same small incision, which cannot be satisfied by the three types of adjustable focus intraocular lenses in the prior art

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