Egg yolks contain high levels of lutein and zeaxanthin - two important carotenoids often called the "golden couple" for the eyes. These are pigments that are naturally present in the retina, especially concentrated in the yellow spot - the area that determines the ability to see clear details.
Lutein and zeaxanthin act as blue light filters, helping to reduce the damage caused by high-energy radiation and protect eye cells from damage caused by oxidation. Many studies have shown that supplementing these substances through food, especially from egg yolks, can increase blood and retina levels, thereby improving vision health.
In addition, egg yolks are rich in vitamin A, an essential nutrient for dark vision and corneal surface protection. Vitamin A deficiency is one of the common causes of dry eyes, eye strain and vision loss. Red blood also provides choline, omega-3, healthy fats and B vitamins, contributing to maintaining an optimal nutritional environment for the optic nerve system.
However, benefits do not mean unlimited consumption. Egg yolks have a fairly high natural cholesterol content. Therefore, people with cardiovascular disease, dyslipidemia or needing a special diet should consume it at a reasonable level.
Most healthy people can eat egg yolks every day or several times a week without problems, as long as the overall portion is balanced.
Egg yolks are truly eye-healthy foods thanks to their rich content of lutein, zeaxanthin and vitamin A.
When used in moderation, combined with a healthy lifestyle, egg yolks will contribute significantly to maintaining good vision and limiting eye damage over time.
