Their six guiding principles for research capacity building include a whole system approach, accommodating diversity, reducing barriers to participation, enabling collaboration, mentoring and networking.
The ciliary muscle, ciliary zonules and lens capsule keep the lens suspended in its proper position inside the eye for clear vision.
In a normal eye (without presbyopia or cataracts), this dynamic process of accommodation adjusts the focusing power of the eye by changing the thickness of the eye's natural lens.
Accommodation is a process that enables the eye to adjust its focusing power to provide clear vision at all distances. Accommodation is made possible by the lens inside the eye and the circular muscle that surrounds the lens, called the ciliary muscle.
The lens and ciliary muscle are connected by a 360-degree series of fibers (called ciliary zonules) that extend from the ciliary muscle to the thin lens capsule (or "bag") that encloses the lens.
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These examples are from the Cambridge English Corpus and from sources on the web.
Currently, Crystalens and Trulign Toric IOLs are the only FDA-approved presbyopia-correcting IOLs for cataract surgery that improve near vision by a focusing process called accommodation.
This is why they are classified as "accommodating IOLs."Both lenses are manufactured and distributed by Bausch Lomb.
Both categories or presbyopia-correcting lenses — accommodating IOLs and multifocal IOLs — have advantages and limitations.