Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2022 Mar;10(6):299. doi: 10.21037/atm-22-173

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

2022 Annals of Translational Medicine. All rights reserved.

Open Access Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License (CC BY-NC-ND 4.0), which permits the non-commercial replication and distribution of the article with the strict proviso that no changes or edits are made and the original work is properly cited (including links to both the formal publication through the relevant DOI and the license). See: https://creativecommons.org/licenses/by-nc-nd/4.0.

PMC Copyright notice

Forest plot displaying the effect of 20 mg/d lutein supplementation on MPOD in patients with AMD when supplementation lasted <6 or >6 months. Huang YM: dose of supplements: 20 mg; duration of supplements: 24 weeks. Huang YM [1]: dose of supplements: 20 mg; duration of supplements: 48 weeks. Huang YM [2]: dose of supplements: 20 mg; duration of supplements: 24 months. Li Chan: dose of supplements: 20 mg; duration of supplements: 24 weeks. Li Chan [1]: dose of supplements: 20 mg; duration of supplements: 48 weeks. Gao Rongyu: dose of supplements: 20 mg; duration of supplements: 3 months. WMD, weighted mean difference; CI, confidence interval; MPOD, macular pigment optical density; AMD, age-related macular degeneration.