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**Chapter 7**

*Chen Xu*

**Abstract**

**1. Introduction**

**2. Premium IOLs**

Successful Premium Multifocal

IOL Surgery: Key Issues and Pearls

Premium multifocal IOLs are a popular option for cataract or presbyopia patients today. Patients can achieve high levels of success and satisfaction after these advanced technology IOLs implantation. However, adequate preoperative clinical evaluation including patient selection, optical and anatomical examination is crucial to reach a success case. Based on the preoperative diagnosis including the corneal astigmatism, biometry measurement, IOL power calculation, presbyopia correcting IOLs' indications and contraindications should be assessed for IOL selection strategy. Surgical procedure should be technically optimized to achieve the best outcomes. Adequate management of both satisfied and unsatisfied patients will

Premium multifocal intraocular lenses (IOLs) became more and more popular in modern cataract surgery after new millennium year [1, 2]. In tandem, the advances in ophthalmologic surgical approach such as femtosecond laser assisted cataract surgery (FLACS) [3], the improvement in biometry and IOL power calculation [4], the development of the intraocular lens techniques [5] led to successfully correct presbyopia, astigmatism and other refractive error through cataract or lens exchange surgery. These premium IOLs surgeries especially the presbyopia-correcting procedures can offer patients more visual and life quality without spectacle. But there are many key issues in the presbyopia-correcting procedure including proper patient selection, preoperative counseling, surgical planning and techniques which

Comparing with conventional IOL, premium IOLs can offer more and better visual function. But there are no standard criteria about premium IOL due to the continual evolution of the IOLs' technology. The aspherical IOL, blue light filter IOL, toric IOL had been defined as premium IOLs in the past decades. This chapter will highlight the presbyopia correcting IOLs as the premium IOLs in the following paragraph. The presbyopia correcting IOLs can be classified into three groups: accommodative IOLs, refractive or diffractive multifocal IOLs and extended depth of focus (EDOF) IOLs according to its optical design and physical properties.

improve the benefit of current premium IOLs.

should be focused during perioperative stage.

**Keywords:** premium IOL surgery, patient selection
