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When the ciliary muscle is relaxed, the lens flattens to enable clear distance vision.When the ciliary muscle contracts, the lens thickens, becoming more curved for added magnification for clear near vision.Though Crystalens and Trulign Toric accommodating IOLs provide an expanded range of clear vision compared with conventional monofocal intraocular lenses, you may still need reading glasses to comfortably see small print and perform other near vision tasks.That said, most people who choose one of these accommodating IOLs are very pleased with the greater freedom from eyeglasses they have after cataract surgery.In an accommodating IOL, the haptics are designed to keep the IOL securely in place and prevent any rotational movement, but the legs are flexible in a way that allows the optical portion of the IOL to move slightly forward upon contraction of the ciliary muscle.In this fashion, an accommodating IOL can expand the range of clear vision after cataract surgery, providing better near vision without eyeglasses than what is possible with a conventional monofocal IOL procedure.The Crystalens IOL and the Trulign Toric IOL are very similar in design and both correct presbyopia.The primary difference between these two FDA-approved accommodating IOLs is that the Trulign Toric IOL can correct astigmatism as well as nearsightedness or farsightedness.
In a conventional IOL, the haptics are designed to keep the optical portion of the implant stationary, with no rotation or anterior/posterior movement that could affect vision.Higher education is at a crossroads, faced with many new demands and challenged with decreasing funding from both state and federal sources.There are increasing demands for accountability from a variety of constituencies both inside and outside of the academy.The challenges of aging faculty point to the potential for faculty shortages.Compounding current issues and challenges are the demands of a new and unique population of learners converging upon higher educational institutions.
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In a young eye, accommodation is essentially instantaneous and effortless.