Professor Gazzard has been ranked as one of the Top 100 Ophthamologists in the world since 2020, most recently in 2025

The Ophthalmologist asked readers to nominate individuals whose influence and achievements are a continuing source of inspiration and admiration among their peers. The resulting nominations were pared down by an international judging panel to a final Top 50, in 2025 year divided into five categories – Cataract & Refractive, Glaucoma, Retina, Research, and Innovation.

Mr. Gazzard has been in the list in:

• 2020 – unranked, top 100 (first entry)
• 2021  – n/a (women only list)
• 2022 – number 9 of top 10 globally
• 2023 – number 3 of top 10 globally
• 2024 – number 18 of top 20 globally
• 2025 – top 10 for Glaucoma globally (no ranking given; top 50 listed globally)