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ISSN 1561-3070 (Electronic)

2020, Number 3

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Rev Cub Oftal 2020; 33 (3)

Astigmatism and cataract surgery

Fu Q, Hernández SJR, Hernández RH, Ramos LM, Jiayue W

Language: Spanish
References: 28
Page: 1-10
PDF size: 240.29 Kb.


ABSTRACT

Cataract is the leading cause of curable blindness worldwide. It results from opacity of the crystalline lens with gradual, slow and progressive visual acuity reduction. Surgery for removal of the crystalline lens is the only cure for this visual impairment. Phacoemulsification technique has evolved to achieve perfection and the aim of restoring patients' vision with the greatest quality and quantity in the shortest possible time. Scientific development has been aimed at either controlling or eliminating preoperative or surgically induced astigmatism. To achieve this aim, recent inclusion has been made of the use of flexible toric trifocal intraocular lenses and minor incisions at two millimeters in the clear cornea, as well as limbal relaxing incisions, opposite incisions in the clear cornea, photoablative refractive surgery and femtosecond laser. To obtain a good refractive result in cataract surgery it is indispensable to minimize the astigmatism induced by the procedure. Such success is accomplished through an exhaustive personalized preoperative study allowing to meet the visual needs of patients and their early reincorporation to daily activities. Hence the motivation to conduct a search of a variety of papers published in the last ten years with the purpose of describing the principles applied to evaluate mean induced astigmatism after crystalline lens surgery and its effect on the patients' visual acuity and quality of life. Use was made of the Google platform, particularly the Virtual Health Library with all its search engines.


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