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How does coffee affect the eyes?

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Coffee, like any other beverage, has both positive and negative aspects. It can bring health benefits but can also cause issues if not consumed in moderation. What is the relationship between coffee and the eyes? How does coffee affect the eyes? Will a cup of coffee have a negative impact or bring positive changes to human eyes? Let’s explore in this article!

 

Does drinking a lot of coffee increase eye pressure?

 

Increased eye pressure is the second leading cause of blindness worldwide. The condition occurs when the optic nerve is damaged. However, to clarify whether coffee can cause increased eye pressure, various aspects need to be considered.

How does the caffeine in coffee affect the eyes?

The relationship between caffeine and the eyes has been studied by hospitals and universities in South Korea. These studies show that caffeine in coffee can increase eye pressure. It can also elevate the levels of homocysteine, an amino acid related to the risk of developing high eye pressure.

Additionally, caffeine constricts blood vessels in the eyes and reduces blood flow. Reduced blood flow can increase the risk of optic nerve damage due to high eye pressure.

How does coffee affect the eyes?

People at risk of developing high eye pressure include those who exhibit the following:

– Over 40 years old

– Family history of the condition

– African, Asian, or Hispanic descent

– Already have high eye pressure

– Previously experienced eye injuries

– Have certain medical conditions such as diabetes, migraine, high blood pressure, or circulatory disorders

– Thin optic nerve fibers

– Thin central cornea

– Long-term use of steroids

– Nearsightedness or farsightedness

 

Can coffee help prevent blindness?

 

Some studies suggest that coffee may reduce the risk of cataracts, the leading cause of blindness. However, this relationship is still under research to find more direct evidence. Caffeine has been found to potentially inhibit oxidative processes in the lens.

A study on rodents in 2019 indicated that caffeine and a chemical called pyrocatechol produced during the coffee roasting process could be protective agents for the lens.

How does coffee affect the eyes?

A recent study by several universities in Italy suggests that caffeine may also have anti-inflammatory effects on the retina and could be a candidate for treating retinal diseases.

In a study in February 2023, researchers found that higher caffeine intake was associated with a reduced risk of dry eyes. However, they did not establish a causal relationship when adjusting for data and considering the participants’ past health conditions.

=> How coffee affects the eyes is still a subject of research to provide more accurate correlations. Nevertheless, studies have shown that caffeine reduces the risk of cataracts. Additionally, when used in the right dosage and manner, caffeine can bring various health benefits to humans.

In summary, 43 Factory Coffee Roaster has helped readers understand more about “How does coffee affect the eyes?” Follow the Workshop for more useful coffee-related information!

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