What vitamins are key for vision?

A sunset, a child’s smile, the colours of flowers or works of art – it’s hard to imagine life without these sensations. We can experience all of this thanks to sight – the king of the senses, which allows us to function in the world. Every day we use it automatically without appreciating its role, and often we overstrain it.

A sunset, a child’s smile, the colours of flowers or works of art – it’s hard to imagine life without these sensations. We can experience all of this thanks to sight – the king of the senses, which allows us to function in the world. Every day we use it automatically without appreciating its role, and often we overstrain it. Many hours spent in front of a computer or with a smartphone cause fatigue and overload on our eyes. In addition to observing proper eye hygiene rules, it is worth supporting it additionally from within. The organ of sight, as one of the most specialized and sensitive systems in the body, needs a proper, balanced diet to provide adequate nutrients. How can you help your eyes every day? How to understand the role of diet and supplementation in disease prevention to maintain good vision throughout life? Let’s look for answers to these questions and check which ingredients will support our organ of sight right now, additionally minimizing the risk of diseases, so that we can enjoy it until the last moments of life.

Sight and diet – why do eyes need support from within?

The organ of sight is a complex and delicate system that is daily exposed to various harmful factors such as UV radiation, environmental pollution, and oxidative stress. To ensure its proper functioning and protect it from the development of eye diseases, an adequate diet rich in nutrients that help our eyes is essential. It is good for the diet to include products rich in vitamins, minerals, antioxidants, and omega-3 fatty acids. Scientists emphasize that a proper diet can not only support proper vision function but also act preventatively against many eye diseases, such as cataracts, glaucoma, and macular degeneration. In turn, healthy eating habits and diets rich in leafy vegetables (spinach, kale), fruits, nuts, seeds, and fish are the foundation for long-term maintenance of good vision.

Which vitamins for vision problems should be included in diet and supplementation?

Currently, no one wonders anymore, if vitamin A helps with eyesight – but what other ingredients should be remembered? The most important vitamins worth consuming or supplementing for eye health or when struggling with vision problems include:

• Vitamin A – participates in the synthesis of rhodopsin (a light-sensitive pigment in the retinal rods that enables vision in the dark). Its deficiency leads to dry eye syndrome, night blindness, and even permanent vision loss. Vitamin A also acts as a powerful antioxidant, protecting eye cells from oxidative damage.
• Vitamin C – is a strong antioxidant that protects eye cells from oxidative stress and damage caused by free radicals. It is particularly important in cataract prevention, as it helps maintain lens clarity and supports collagen production, which builds the structures of the eye. Vitamin C deficiency increases the risk of developing age-related eye diseases.
• Vitamin E – is a group of compounds with strong antioxidant properties that protect oxidation-sensitive fatty acids in eye cells. Thanks to this, vitamin E supports protection against damage to the retina and lens, and its appropriate level can reduce the risk of developing macular degeneration and cataracts.
• B vitamins, especially B2 (riboflavin), B6, B9 (folic acid) and B12 – are responsible for the proper functioning of the optic nerve and the metabolism of eye cells. Riboflavin acts as an antioxidant and reduces the risk of cataracts, while vitamins B6, B9, and B12 support the blood vessels of the eye and can lower the risk of macular degeneration.
• Lutein and zeaxanthin – are carotenoids that accumulate in the retina, especially in the macula. They act as a natural filter that protects the eyes from the harmful effects of blue light and oxidative stress. Regular consumption of lutein and zeaxanthin reduces the risk of macular degeneration and cataracts.
• Omega-3 fatty acids, especially DHA – are essential for the proper structure and function of the retina. They support eye lubrication, reduce the risk of dry eye syndrome, and can also protect against the development of macular degeneration.
• Zinc – is a mineral responsible for the metabolism of vitamin A. Additionally, it protects the retina from oxidative stress, and its deficiency results in poorer night vision and increases susceptibility to eye diseases.

In summary, for eye health and to minimize the risk of eye diseases, it is worth including in the diet and supplementation: vitamin C and E, B vitamins, lutein and zeaxanthin, omega-3 fatty acids, and zinc, ensuring their regular supply from various sources.

The abundance of vitamins worth supplementing can be dizzying. However, for people who have difficulty obtaining all the necessary nutrients from their diet, ready-made preparations such as can be a good option.

Does lutein improve eyesight? Facts and research

Lutein does not restore lost vision, but it supports its preservation, protects the eyes from the harmful effects of light, slows down retinal degeneration, and supports visual acuity. Its regular consumption – both from diet and well-chosen supplements – can significantly impact visual comfort, especially in older people, those working at computers, or those with a genetic predisposition. Scientific research confirms that lutein supports visual functions and can delay the worsening of vision, especially with age.

Where to find sources of nutrients for the eyes?

First and foremost, it is worth noting that all nutrients containing the necessary vitamins are merely a support, and not the primary method of treating vision defects. No foods or supplements for better eyesight will instantly improve your vision. Nevertheless, diverse and balanced meals and appropriately chosen supplements, containing lutein or vitamins, will certainly help maintain good eye condition and support their health.

When creating a diet plan with your eye health in mind, it is worth focusing on the following elements and dishes that are rich in them:

• vitamin A – liver, cod liver oil, fatty sea fish (herring, mackerel, tuna), eggs (especially yolks), butter, and vegetables and fruits such as carrots, spinach, kale, red bell pepper, pumpkin, apricots, melon, and papaya.
• vitamin C – citrus fruits, bell peppers, broccoli, kale, and strawberries.
• B vitamins – in whole-grain products, eggs, milk, green leafy vegetables, meat, and legumes.
• omega-3 fatty acids – fatty sea fish (salmon, mackerel, sardines), flaxseed, and walnuts.
• zinc – meat, seafood, pumpkin seeds, and legumes.
• vitamin E – almonds, sunflower seeds, hazelnuts, vegetable oils, and avocado.
• lutein and zeaxanthin – green leafy vegetables (spinach, kale), broccoli, peas, and yellow and orange vegetables.

What damages eyesight? Products harmful to the eyes

When discussing what affects the organ of sight, it is also worth mentioning what we should avoid to not accelerate its weakening and not expose the eyes to damage. Products and habits harmful to eye health include:

• diet poor in vitamins and antioxidants – lack of vitamins A, C, E, zinc, and lutein can accelerate macular degeneration and lead to dryness and worsening of visual acuity.
• excessive consumption of sugar and highly processed products – increases the risk of developing type 2 diabetes, which leads to diabetic retinopathy – one of the most common causes of blindness.
• too much salt – raises blood pressure, including within the retinal blood vessels, leading to hypertensive retinopathy.
• smoking cigarettes – accelerates the aging of eye tissues, increases the risk of cataracts and macular degeneration.
• large amounts of alcohol – has a toxic effect on the optic nerve and also disrupts the absorption of vitamins essential for healthy eyes.
• prolonged staring at a screen without breaks – leads to corneal dryness and worsening of visual acuity.

By avoiding the above guidelines, we will help our eyes.

Best supplements for healthy eyes – ingredients worth knowing

A healthy body is the foundation of good eyesight, which is why, in addition to a proper diet and exercise, it is worth supporting yourself and reaching for that support the overall condition of the body and can indirectly positively affect eye health. Among them, we find supplements containing vitamins, minerals, and antioxidants, such as vitamin C, D3, beta-carotene, vitamins A, E. These types of preparations are especially recommended for people exposed to chronic eye fatigue, blue light exposure, seniors, or children who can benefit from convenient and tasty gummies that support immunity and vision health.

Furthermore, for the sake of healthy eyes, we have created a special product called . The formula of the preparation is based on the synergistic action of active ingredients known for their beneficial effect on the organ of sight. Its composition includes:

• marigold extract, which contains lutein and zeaxanthin – carotenoids that concentrate in the macula of the retina, where they serve as a filter protecting against the harmful effects of blue light and neutralize free radicals, which delays retinal degeneration.;
• blueberry extract, which contains anthocyanosides. These compounds support microcirculation in the capillaries of the eye, which can improve visual acuity and reduce the feeling of eye fatigue.

Additionally, this supplement contains easily absorbable zinc and vitamins E and A, essential for eye health.

Supplements for better eyesight – experts’ and patients’ opinions

With each passing year, an increasingly rich offer of dietary supplements can be found on the market. Among those most often recommended by ophthalmologists are preparations containing lutein, zeaxanthin, zinc, vitamin A, C, E, omega-3 fatty acids, and plant extracts, such as blueberry or marigold.

Experts emphasize that supplementation does not replace a balanced diet, but it can be valuable support, especially for people exposed to chronic eye fatigue, blue light exposure (e.g., those working at computers), as well as seniors and individuals with a genetic predisposition to retinal diseases.

Patients often notice:

• improved visual acuity, especially at dusk,
• reduced symptoms of dry eyes,
• better tolerance for working in artificial light or in front of a screen,
• as well as less feeling of eye fatigue and burning after a longer period of supplementation.

Sources:

1. H.J. Kaplan,^, Anatomy and function of the eye, 2007.
2. A. Stankiewicz, The Most Important (Most Common) Ophthalmological Problems in Family Doctor Practice, „Family Medicine & Primary Care Review”, 2013, 3, s. 477-482.
3. B. Fife, Healthy Eyes, Białystok 2016.
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5. J. Kotwas, Nutritional Components Affecting the State of the Organ of Sight, „Ophtha Therapy”, 2017.
6. J. Gawęcki, Human Nutrition – Basics of Nutritional Science, PWN Scientific Publishing House, Warsaw, 2010, s. 246-248.
7. A. Gryszczyńska, B Vitamins – Natural Sources, Role in the Body, Effects of Avitaminosis, Borgis – Advances in Phytotherapy 4/2009, s. 229-238.
8. Yu-Ping Jia, Lei Sun, He-Shui Yu, Li-Peng Liang, Wei Li, Hui Ding ^{, Xin-Bo Song}, Li-Juan Zhang, The Pharmacological Effects of Lutein and Zeaxanthin on Visual Disorders and Cognition Diseases, 2017.

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