An accommodative implant has only one focal point, but it acts as if it is a . Its design allows the focusing to move it back and forth.
About Accommodating Lenses for Cataract Surgery
Accommodation is the ability of the to focus on both distant and near objects.
Accommodation is achieved through the contraction of , which results in an increase in curvature and a forward shift of the natural .
Accommodation declines with increasing age due to a decrease in elasticity and a reduction in contraction, resulting in difficulty in near vision (). This is a problem for most people in their 40s or 50s.
For best optical performance, the must be transparent. is the clouding of the human lens. It is more common with increasing age, and is a common cause of visual impairment.
Fortunately, is treatable by a surgical procedure in which the natural is removed through a small . Once all lens material is removed, an artificial lens, known as an (IOL) is implanted into the to lie in the original position of the removed natural lens…