Can seaweed protect vision?
Aug 12, 2025
Source: Cainiu Health
Dr. Yu Yongchao
Introduction
Under normal circumstances, seaweed can help protect vision to some extent. However, consumption should be moderate, as excessive intake may have adverse effects on the body due to its high salt content. Choose seaweed produced by reputable manufacturers and avoid purchasing products of substandard quality. After opening, seaweed should be stored in a sealed container to prevent moisture from affecting its taste and nutritional value. Vision protection should not rely solely on seaweed.
Generally speaking, seaweed can protect vision to a certain extent. The detailed analysis is as follows:
Seaweed contains certain amounts of nutrients such as vitamin A, lutein, and beta-carotene. Vitamin A is an essential substance for maintaining ocular surface health and sustaining dark adaptation capability. Lutein helps filter harmful blue light and reduces oxidative damage to the retina. These components work together to provide some degree of vision protection.
When consuming seaweed, moderation is important, as excessive intake may lead to adverse effects due to its salt content. Choose seaweed produced by reputable manufacturers and avoid products of inferior quality. After opening, seaweed should be sealed properly to prevent moisture absorption, which may affect its taste and nutritional value. Vision protection should not rely solely on seaweed; attention should also be given to eye hygiene, prolonged near-eye work should be avoided, and more outdoor activities are recommended.
