Accommodating lenses

For best optical performance, the lens must be transparent. It is more common with increasing age, and is a common cause of visual impairment. Once all lens material is removed, an artificial lens, known as an intraocular lens (IOL) is implanted into the eye to lie in the original position of the removed natural lens.

However, such improvements were small and reduced with time.Better DCNVA was seen in the accommodative lens group at 12 to 18 months in the three trials that reported this time point but considerable 0.05 to 0.19; 40 people, binocular) log MAR improvement (low quality evidence).The relative effect of the lenses on corrected distant visual acuity (CDVA) was less certain.We did not use any date or language restrictions in the electronic searches for trials.We last searched the electronic databases on 10 October 2013.

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