La correction de la presbytie par monovision et le presbyons:indication,interets et limites

Abstract

The number of presbyopic patients is constantly increasing due to the aging of the population. Their therapeutic management is currently a major issue from a medical, surgical and economic point of view. In view of the problems caused by presbyopia in patients over 40 years of age in addition to other visual defects or ametropia, a modern technique has made it possible to eliminate the latter through several methods, one of these methods: Monovision by the presbyopic technique. In lasik the presbyond, is a software for the treatment of presbyopia using the Excimer MEL 80 laser from the company zeiss meditec in combination with the femtosecond visumax laser is now available, it uses the principle of monovision (based on the creation of a slight anisometropia: the dominant eye is emmetropized and the dominated eye is myopized between -1.00 D and -1.5 D with the combination of the correction of the depth of field (deep of field) of the eye without too much reduce the quality of far vision by adjusting the rate of positive ocular spherical aberration, this virtually eliminates the intermediate fuzzy zone. A treatment tolerated by most patients, Requires neuro-adaptaion for the majority of patients, the adaptation time is generally one to two weeks, rapid, painless and correcting all ametropia and effectively far and near vision . But like All refractive surgery has side effects that are more or less annoying, most often benign and transient