Omega-3s are essential fats vital for various bodily functions, including eye health. Fatty fish stands out as a primary source of EPA and DHA, two forms of omega-3 extensively studied for their impact on visual health. Therefore, a balanced intake of fatty fish in your diet can offer several benefits for your eyes.

Beneficial for the retina

Salmon, sardines, and other fatty fish provide omega-3 fatty acids, with DHA being a crucial nutrient for the eyes. According to Verywell Health, DHA is a component of the retina, supporting visual function while also possessing anti-inflammatory and antioxidant properties.

Since the body does not synthesize sufficient amounts of certain omega-3s, dietary intake is necessary. Incorporating fatty fish into your diet directly provides EPA and DHA, offering a more efficient source than relying on the conversion of plant-based alpha-linolenic acid (ALA).

Salmon, rich in omega-3, is good for the eyes. *Photo: Bao Bao*

Reduces dry eyes

Omega-3s, particularly EPA and DHA, are believed to benefit individuals experiencing dry eyes due to their anti-inflammatory properties. Some studies indicate that omega-3s can help reduce inflammation in the eyes, increase tear volume, and improve the stability of the tear film. Omega-3s may also support the function of the meibomian glands, which secrete the oily layer that prevents tears from evaporating too quickly.

However, these effects are not uniform across all individuals. Therefore, fatty fish or fish oil capsules should not be considered a substitute for prescribed eye drops and other treatments recommended by a doctor.

Supports eye protection against oxidative stress

The omega-3 fatty acids in fatty fish possess anti-inflammatory properties, while DHA contributes to limiting damage caused by oxidative stress. These mechanisms can help maintain the health of eye tissues.

According to the Times of India, DHA plays a role in retinal health and may help combat damage from free radicals. It is crucial to distinguish between supporting overall eye health and preventing specific eye diseases; current evidence is not yet sufficient to definitively state that consuming fatty fish can prevent particular eye conditions.

Specifically for age-related macular degeneration, individuals at risk or already diagnosed still need regular eye examinations and must adhere to treatment guidelines, rather than relying solely on dietary changes.

The American Heart Association recommends consuming approximately two servings of fatty fish per week, with each serving around 100 g. Salmon, sardines, herring, mackerel, and anchovies are excellent choices, providing rich sources of EPA and DHA. Prioritizing fish in your meals is a natural way to boost omega-3 intake, alongside providing protein and other essential nutrients. It is advisable to prepare fish by steaming, boiling, grilling, or pan-frying, rather than deep-frying with excessive oil.

Individuals considering fish oil capsules to alleviate dry eyes should consult a doctor, particularly if they are taking anticoagulant medications or have medical conditions related to bleeding. While fish oil is generally safe for most adults, it is important to be aware of potential drug interactions and special health considerations.

Bao Bao (Compiled)