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Variable-power accommodative intraocular lens and assembly of variablepower accommodative intraocular lens and capsular ring
专利权人:
UNIVERSIDAD DE MURCIA
发明人:
Enrique Josua Fernández Martínez,Pablo Artal Soriano
申请号:
US14439619
公开号:
US10130461B2
申请日:
2013.07.26
申请国别(地区):
US
年份:
2018
代理人:
摘要:
The new variable power accommodative intraocular lens is comprised by a central body or optical zone that has at least four refracting interfaces that separate different materials. These are connected by means of a substrate that holds them in an equatorial manner, and which includes the bases of the fasteners of the lens embedded in its core. The lens changes its power in response to variations in the equatorial diameter of the materials that comprise the optical zone. Thanks to its design, the lens can achieve variations in the optical powers greater than one diopter per micrometer of equatorial compression. This is achieved through the real change of the curvature radii of the refracting interfaces that comprise the optical zone, as well as the central thicknesses along the length of the optical axis of the different materials that limit said refracting interfaces. Preferably the intraocular lens works in combination with a capsular ring, to which the haptics are fixed and whose external diameter determines the power of the lens. The change of power mechanism in the lens initiates with the contraction of the ciliary muscle of the patient in response to the accommodative force.
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