Introduction:

crystalline lens surgery is considered one of the safest surgical methods in the world.

Objective:

to describe the surgical considerations to be taken into account to achieve the success of phacoemulsification of the crystalline lens in patients with primary angular closure at Abel Santamaría Cuadrado General Teaching Hospital in Pinar del Río.

Methods:

literature searching was conducted concerning the main scientific articles of the last years, as well as the printed literature that includes the topic, choosing the most relevant contents for the writing of the final report.

Development:

the removal of the crystalline constitutes a surgical challenge in patients with primary angular closure due to anatomical peculiarities, intraocular pressure variations and associated alterations of the anterior segment.

Conclusions:

a detailed preoperative examination, and the adequate surgical technique performed by a skilled surgeon can reduce the rate of complications and achieve total success.

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