Accommodating intraocular lenses for patients with cataract a review


08-Nov-2019 02:31

The elasticity of the capsule is held in check by the normal tension in the zonule so that accommodation consists in the relaxation of the tension in the zonule by the contraction of the ciliary muscle.This permits the capsule to mold the lens into a more strongly curved system (Table 1).

accommodating intraocular lenses for patients with cataract a review-31

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This concept refers to any other method that changes the power of the whole optical system of the eye or changes partly the way in which it works in order to relieve patients for near distance vision.

However, there is not a real change in the IOL power itself.

Theoretically, when plate lenses are placed into the capsular bag, the anterior capsule fibroses and applies end-to-end pressure on the plates, which vaults posteriorly and the optic comes to lie up against the vitreous face.

Presbyopia still remains the last frontier of refractive surgery.

Its surgical management is under constant evolution due to the limitations that exist today with respect to its management, which is probably in relation with the multifactorial basis in which presbyopia is clinically developed in the human.Almost all surgical techniques that have been proposed to date for the surgical correction of presbyopia are based on the acquirement of pseudoaccommodation [1].



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