Largest eye care lesson
- Who
- Liaoning YongKang Biotech Co., Ltd
- What
- 2,433 people
- Where
- China (Shenyang)
- When
- 03 February 2018
The largest eye care lesson consists of 2,433 participants, achieved by Liaoning Yongkang Biotech Co., Ltd (China) in Shenyang, Liaoning, China, on 3 February 2018.
The eye care lesson lasted 36 minutes and 4 seconds.