• Alcon average gross margin for 2023 was 55.1%, a 0.52% increase from 2022.
• Alcon average gross margin for 2022 was 55.39%, a 7.99% decline from 2021.
• Alcon average gross margin for 2021 was 51.29%, a 13.47% increase from 2020.

Gross margin can be defined as a company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.