Here is the English translation of the text:

Dr. Sungho Choi of First Samsung Eye Center was invited as an official speaker to deliver a lecture during the main session of the 'Alcon PersonalEYES User Meeting,' which was held over two days from Saturday, April 11th to Sunday, April 12th.

At this meeting, Dr. Choi shared key strategies for enhancing the precision of PersonalEYES surgeries with domestic and international medical professionals, delivering an in-depth presentation on the following topic:

■ Presentation Topic: "PREOPERATIVE PLANNING PEARLS FOR PERSONALEYES PROCEDURE"