11 Video Views·Jan 5, 2026
Chủ đề: Suy giảm thị lực không chỉ là hệ quả tất yếu của tuổi tác mà thường bắt nguồn từ rối loạn đường huyết và quá trình oxy hóa âm thầm trong cơ thể. Nhiều người gặp tình trạng chói mắt khi lái xe ban đêm, nhìn mờ, khô rát, phải dùng nước mắt nhân tạo thường xuyên, rồi dần được chẩn đoán đục thủy tinh thể, thoái hóa điểm vàng hoặc tăng nhãn áp. Nguyên nhân sâu xa thường liên quan đến chế độ ăn nhiều đường và tinh bột tinh chế, khiến đường huyết và insulin tăng cao kéo dài, tạo môi trường thuận lợi cho oxy hóa phá hủy các mạch máu nhỏ ở mắt.
Bên cạnh đó, đường huyết cao còn làm cạn kiệt nhiều dưỡng chất thiết yếu cho mắt như vitamin A, B1, B2, kẽm, vitamin D, C và E. Thiếu hụt kéo dài khiến mắt giảm khả năng tự bảo vệ và phục hồi. Vitamin A hỗ trợ thị lực ban đêm và duy trì độ ẩm bề mặt mắt; vitamin nhóm B bảo vệ thần kinh và võng mạc; kẽm giúp vitamin A hoạt động hiệu quả; lutein và zeaxanthin chống ánh sáng xanh; vitamin D điều hòa viêm; vitamin C và E bảo vệ mạch máu nhỏ.
Chăm sóc mắt bền vững cần kiểm soát đường huyết, ăn uống đơn giản, tăng rau xanh, cá, trứng, các loại hạt và chất béo lành mạnh. Khi môi trường bên trong ổn định, ít oxy hóa và đủ dưỡng chất, thị lực có thể được duy trì và cải thiện theo thời gian.
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► Một số từ khoá có thể tìm kiếm về chủ đề này: suy giảm thị lực, mờ mắt ban đêm, chói mắt khi lái xe, khô mắt kéo dài, đục thủy tinh thể, thoái hóa điểm vàng, biến chứng mắt do tiểu đường, đường huyết cao và mắt, oxy hóa gây hại mắt, vitamin A cho mắt, thiếu vitamin A khô mắt, vitamin B1 và võng mạc, kẽm tốt cho mắt, lutein zeaxanthin, bảo vệ mắt khỏi ánh sáng xanh, vitamin D và sức khỏe mắt, chống oxy hóa cho mắt, dinh dưỡng nuôi dưỡng mắt, kiểm soát đường huyết, chăm sóc mắt từ bên trong, mờ mắt, chói mắt, khô rát mắt, nhức mắt, mỏi mắt, nhìn đôi, cộm xốn mắt, chảy nước mắt sống, nhìn kém ban đêm, nhạy cảm với ánh sáng, đục thủy tinh thể, thoái hóa điểm vàng, tăng nhãn áp,khô mắt mạn tính, viêm kết mạc
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Many people begin to realize their eyes are weak when driving especially
at night experiencing blurred vision dryness and needing to blink frequently
Then gradually went to see a doctor and was diagnosed
with cataracts macular degeneration and glaucoma
And the most familiar old age we talk about is that everyone gets sick
But many eye problems do not stem from old age
but it originates from high blood sugar and the silent oxidation process in the body
When you eat a lot of sugar and refined carbohydrates such as bread noodles pho pastries and sugary drinks
Then blood sugar will continuously rise and repeat every day
High blood sugar leads to high insulin and creates an ideal environment for oxidation to occur
And oxidation is simply the condition of internal rusting in the body
Destroying small blood vessels in which the eye is one of the most sensitive organs
And that is why people who have diabetes or prediabetes often experience eye complications
And sometimes it appears before the heart attack and straight
And it doesn't just cause direct damage
At this time high blood sugar will trap many important nutrients
While these nutrients also play a role in protecting the eyes from the oxidation process
And if the body continues to be deficient for a long time the eyes will gradually lose their ability to repair and defend themselves
Vitamin A is the first and most important nutrient for the eyes
Without vitamin A night vision will decrease
It is easy to get dazzled by the headlights when waiting for night or driving at night
Vitamin A also helps maintain the tear glands and the protective mucous membranes on the surface of the eye
And many people who suffer from dry eyes always carry artificial tear drops with them
But they don't know that the root may be lacking in vitamin A
Prolonged vitamin A deficiency significantly increases the risk of cataracts and macular degeneration
And a very important point that is often overlooked is that to absorb vitamin A the body needs the bile and liver to function properly
And if our gallbladder is weak or has been removed the ability to absorb vitamin A will be significantly reduced
This explains why some people who have a complete and balanced diet still experience eye problems
Weak eyesight is sometimes not because we lack nutrients but because the body cannot absorb them
The second nutrient is vitamin B1
This type of vitamin is also commonly deficient in people who eat a lot of refined grains
People with diabetes or those who have used the blood sugar lowering drug Metformin for a long time
B1 plays a role in protecting the nerve sheaths including the nerves and retina of the eye
And when B1 is lacking the risk of retinal damage and cataracts increases significantly
And that's not all a deficiency of B1 is also related to foot numbness a sign that the nervous system is being damaged from within
And the special feature of vitamin B1 is that if we use it in the form of a fat-soluble substance
Then the body will absorb it better and penetrate deeper into the eye and nerve tissues
And this is important for eye issues when it starts to appear
Because at that time the body needs strong nutrients not just for mere supplementation
And in conclusion when our eyes begin to weaken we should not just look at our eyes
Check your blood sugar diet and your body's ability to absorb nutrients
Its eyes aren't naturally problematic
It is merely reflecting the quiet developments that had taken place over the preceding years
And after understanding that high blood sugar and oxidation are the root causes leading to the deterioration of our eyes
Then the next question is what nutrients are needed to protect and nourish the eyes from the inside
In addition to vitamins A and B1 Dr Tuan mentioned
They also include mineral and plant nutrient groups which play a crucial role
First of all I am referring to iron
This is a trace mineral that is extremely important for the eyes
And in reality our eyes are the organs with the most nerves in the body
It works as an assistant helping this vitamin A to take effect
And if there is a deficiency then even if you supplement with vitamin A the effectiveness will be greatly reduced
Cataracts and macular degeneration are more likely to occur
Especially for the elderly or in modern lifestyles
We often eat very monotonously Eating little seafood
and organ meats and being frequently stressed
This will cause the deficiency to occur quietly over a long period
Next to carotenoids I am referring to the group of carotenoids
This is not a vitamin but a plant nutrient with very strong eye-protecting effects
These two important names in this group of carotenoids are lutein and sensatin
These substances are concentrated in the yellow spot
This area determines our ability to see clearly and sharply
And they will function like a natural pair of sunglasses
To help protect our eyes from blue light and reduce oxidative damage
Carotenoids are found in dark green leafy vegetables
Such as amaranth spinach and broccoli as
well as tomatoes and some dark-colored fruits
And when our meals lack green vegetables for a long enough period
the eyes will begin to gradually lose this natural protective layer
Then I'll talk about vitamin D This is a nutrient often overlooked
when discussing eye health but it
actually plays a very important role
This is a vitamin that increases in fat
It participates in the regulation of epidemics and controls the viral process in the body
And when there is a vitamin D deficiency the condition of chronic inflammation and oxidative stress tends to increase
Gradually damaging the sensitive lips cornea and retina
And many studies show that a vitamin D deficiency is associated with a higher risk of cataracts
Especially for those who are slightly guilty and those with blood sugar disorders
Another notable point is that vitamin D deficiency does not only occur
In the cold regions where they live
In Vietnam we have many people who lack vitamin D due to insufficient exposure to natural sunlight
Working all day at home or going out they are very respectful
Additionally the elderly overweight individuals those with liver disease or fat absorption disorders
They are also individuals who are prone to vitamin D deficiency
This is because this vitamin requires fat and proper liver function to be effectively absorbed and metabolized
From natural sources the vitamin D we get is found in fatty fish such as salmon and mackerel
Or the yolk of an egg and some types of mushrooms
And the most important source is sunlight
Just expose them for 10 to 25 minutes each day in the
morning before 9 a m or in the afternoon after 4 p
We must expose our forearms and legs to naturally absorb a sufficient amount of vitamin D
And this is both simple and natural and it's completely free as well
And when the body has enough vitamin D not only the bones and joints benefit
But thermal system blood vessels and eyes are also better protected Vitamin D helps reduce
underlying inflammation and supports the stabilization of the internal environment of the eye
Thus it helps to slow down the aging process
and reduce the risks of eye diseases over time
Then I'll talk about vitamin B2
This is also important for the eyes
This deficiency increases the risk of developing cataracts and retinal degeneration
At the same time it makes our eyes more tired and more sensitive
to light and they tend to be strained when looking at night
Vitamin B2 also acts as antioxidant for the retinal
layer protecting the visual nerve cells from damage
For us Vietnamese people it's enough to eat regular eggs
use milk or unsweetened yogurt and occasionally eat fish
It has already provided sufficient vitamin B2 for the body's needs
Then there are the last two types vitamin C and E two very familiar
antioxidants not only good for the skin and the immune system
It also protects the small blood vessels in the eyes and reduces the aging process of the eyelids
Vitamin C is found in common vegetables and fruits
cam blood pomelo strawberry chili or broccoli
As for vitamin E it is found in various nuts
and strong fats such as kernel seeds sunflower seeds sesame seeds olive oil or butter oil
And when combining fresh vegetables and fruits in moderate amounts for diversity it is important to consider the following
and the various seeds in our meals our body will produce a natural antioxidant system
Long-term eye protection without the need for additional products
And finally it is essential to keep in mind one key point that is
Nurturing eyes cannot be separated from controlling blood sugar and daily lifestyle
Even if we get enough nutrients but we eat too much sugar
If we continue to consume a lot of refined carbohydrates the oxidation process will continue
And when you eat simply increase your green vegetables
and healthy fats reduce sugar and processed foods
Then the body will create the conditions for our eyes to recover
And the eyes don't need complicated solutions
They need a stable internal environment less prone to oxidation and sufficiently nutritious
And when you take proper care of your body the eyes will be one of the organs that show the most noticeable improvements
And finally the most important thing Dr Tuân wants to say here is that
keeping your eyes bright for a long time is not something too distant
Those will be small but complete daily results from
meals sleep reading to how you manage your blood sugar
And when the body is healthier the eyes will naturally become healthier too
And thank you for taking the time to watch this video
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I wish you and your family always good health and eyes that become clearer every day
Hello and see you in the next video