While no diet can guarantee cataract prevention, research shows that antioxidants, B vitamins, and healthy eating patterns may lower your risk and protect your vision.

While we can’t stop time (wouldn’t that be nice?), there’s plenty we can do to help protect our eyes as we age. Smart nutrition and simple lifestyle habits are powerful tools for supporting healthy vision and may help slow the development of cataracts. The research isn’t crystal-clear yet, but there’s lots of encouraging evidence and nourishing your body with the right foods is always a win for your overall health. 

KEY NUTRIENTS THAT MAY PROTECT AGAINST CATARACTS 

For cataract prevention, increasing foods rich in antioxidants and the B vitamins is your best line of defense. You’ll also want to dramatically limit your intake of low-quality carbs, including sugary foods and beverages and refined, white starches. 

VITAMIN C AND VITAMIN E 

As the name suggests, antioxidants fight the oxidative stress caused by free radicals. There is no single antioxidant, rather, it is a broad category that includes vitamin C, vitamin E, lutein, zeaxanthin, beta-carotene, and any number of other substances that can neutralize free radicals. All vegetables and fruits contain antioxidants, so eating a diet rich in those foods may help prevent cataracts. 

The Nurses’ Health Study revealed that women who ate a very healthy diet full of all kinds of antioxidants from vegetables, fruits, and whole grains were half as likely to develop cataracts as women who did not eat such a healthy diet. In addition, numerous studies have observed that people with high dietary intakes or blood levels of antioxidants — particularly vitamins C and E — are at a significantly lower risk for cataracts.  

When researchers tested isolated antioxidant supplements, they didn’t see the same powerful effects observed in people who simply ate more antioxidant-rich foods. And that actually makes perfect sense: whole foods offer a symphony of nutrients that work together in ways supplements can’t always replicate. Plus, people who load up on fruits and veggies often have healthier habits overall, which further supports eye health. Regardless, the big-picture message is clear: consuming foods rich in vitamins C and E, may be protective for your eyes (and will benefit the rest of your body as well!). 

BEST FOODS FOR VITAMIN C: Guava, bell peppers (all colors), oranges and orange juice, grapefruit and grapefruit juice, strawberries, pineapple, kohlrabi, papaya, lemons and lemon juice, broccoli, kale, brussels sprouts, kidney beans, kiwi, cantaloupe, cauliflower, cabbage (all varieties), mangoes, white potatoes, mustard greens, tomatoes, sugar snap peas, snow peas, clementines, rutabagas, turnip greens, raspberries, blackberries, watermelon, tangerines, okra, lychees, summer squash, persimmons 

BEST FOODS FOR VITAMIN E: Almonds and almond butter, sunflower seeds and sunflower butter, wheat germ, hazelnuts, spinach, dandelion greens, Swiss chard, pine nuts, peanuts and peanut butter, turnip greens, beet greens, broccoli, canola oil, flaxseed oil, red bell pepper, collard greens, avocados, olive oil, mangoes 

LUTEIN AND ZEAXANTHIN 

Lutein and zeaxanthin are a pair of antioxidants that are of tremendous interest to eye-health researchers. Lutein and zeaxanthin belong to a family of nutrients called carotenoids (along with their more popular sister carotenoid, beta-carotene). Lutein and zeaxanthin stand out because they’re the only carotenoids found in the lens of the eye and may play a key role in keeping the lens clear of protein buildup. Like all antioxidants, lutein and zeaxanthin can defuse potentially damaging free radicals. In addition, they may also prevent the development of some free radicals by absorbing blue light — part of the cataract-causing, short-wave spectrum of sunlight. 

Large population studies—including the Women’s Health Study, the Nurses’ Health Study, the US Male Health Professionals Study, and the Beaver Dam Eye Study—consistently show that individuals with the highest dietary intake of lutein and zeaxanthin have a significantly lower risk of developing cataracts. These findings highlight a clear pattern: diets naturally rich in these carotenoids, particularly from leafy-green vegetables, may offer meaningful protection for eye health. 

BEST FOODS FOR LUTEIN AND ZEAXANTHIN: Kale, spinach, Swiss chard, collard greens, turnip greens, dandelion greens, mustard greens, beet greens, radicchio, summer squash (all varieties), watercress, green peas, persimmons, winter squash (acorn, butternut, etc.), pumpkin, broccoli, brussels sprouts, lettuce (especially dark lettuces), asparagus, corn, green beans, okra, artichokes, green bell peppers 

B VITAMINS 

There is strong evidence that two of the B vitamins — riboflavin (vitamin B2) and niacin (vitamin B3) — may help prevent cataracts, and early research suggests that other B vitamins may also contribute to eye health. 

Although these vitamins are not antioxidants, they provide some of the building blocks the body needs to make antioxidant compounds. So without enough riboflavin and niacin, the risk of cataracts increases. Indeed, several scientific studies have shown that people who eat a diet with plenty of foods rich in riboflavin and niacin can slash their risk of cataracts by about half compared with people who eat a diet with very little of those vitamins. 

Several large population studies — including the Blue Mountain Eye Study in Australia and analyses from the National Eye Institute — have observed that people with higher intakes of riboflavin, niacin, thiamin, folate, and vitamin B12 tend to have a lower likelihood of developing cataracts over time. 

Importantly, these associations likely reflect overall dietary patterns rather than isolated nutrients. Individuals who consume more B-vitamin–rich foods (such as leafy greens, legumes, whole grains, dairy, eggs, fish, and lean meats) also tend to follow healthier eating habits in general, which may contribute to their reduced risk. At this stage, food sources remain the most reliable and evidence-supported way to obtain these nutrients. A standard multivitamin that provides approximately 100% of the Daily Value for these B vitamins is reasonable, but the emphasis should remain on building a nutrient-dense, balanced diet to support long-term eye health. 

BEST FOODS FOR RIBOFLAVIN: Lean beef and lamb, venison, yogurt, milk, mushrooms, almonds, eggs, spinach, coffee 

BEST FOODS FOR NIACIN: Tuna (canned light), skinless chicken, lean beef and lamb, pork tenderloin, mackerel (not king), skinless turkey, wild salmon (fresh, canned), anchovies, kidney beans, peanuts and peanut butter, mushrooms, sunflower seeds and sunflower butter 

FOODS THAT MAY INCREASE CATARACT RISK 

Most studies have focused on nutrients that can help protect the eyes from cataracts, but emerging research suggests that certain foods may increase the risk, most notably low-quality carbohydrates. Low-quality carbohydrates include sugar, soda and other sugary drinks, candy, baked goods, sugary cereals, anything made with white flour (including white bread and regular pasta), and white rice. Researchers categorize these foods as high-glycemic carbs, which means they are quickly digested and absorbed by the body, causing a rapid, steep, and unhealthy rise in blood-sugar levels. Glucose eventually moves from the blood into the eye, and scientists believe that exposure to high sugar concentrations in the eye’s lens may accelerate protein damage and clumping, thus contributing to cataract formation. A few studies have shown that people who eat lots of high-glycemic foods are at increased risk of developing cataracts. These findings may also explain why the incidence of cataracts is substantially higher in people with diabetes, who have chronically elevated blood-sugar levels. 

We’re only beginning to understand the impact of low-quality carbs on eye health, but I recommend swapping low-quality carbs for high-quality carbohydrates like vegetables, fruits, beans, and whole grains. 

For inspiration, try my eye-health recipes and see how easy (and delicious) it can be to eat for better vision.