How to Get White Eyes Naturally: Causes & Remedies

Bright, white sclera come down to keeping the eye’s surface healthy, well-hydrated, and free from chronic irritation. There is no single food, supplement, or trick that bleaches the whites of your eyes overnight, but a handful of evidence-backed habits can reduce the redness, dryness, and yellowish tinge that make them look dull. Most of what dulls the sclera is reversible, and the causes are more mundane than you might expect.

Why Eyes Stop Looking White

The sclera is the tough, fibrous outer coat of the eyeball, and in a healthy state it appears white because its dense collagen fibers scatter visible light. When something disrupts the surface, though, the whites can shift toward red, yellow, or a muddy grayish tone. The most common culprits fall into a few broad categories.

Chronic dryness is probably the biggest everyday offender. When the tear film breaks down, the conjunctival blood vessels dilate to compensate, and you see redness. A leading driver of that tear film breakdown is dysfunction of the tiny oil glands along the eyelid margins. When those glands produce less oil or the wrong kind of oil, tears evaporate too quickly, setting off a cycle of dryness, inflammation, and surface-cell damage that keeps the eyes looking bloodshot.¹

Ultraviolet light is another major factor. Chronic UV exposure damages the conjunctiva and can produce yellowish, raised growths called pingueculae, or wing-shaped tissue overgrowth called pterygia. Both tend to appear on the side of the eye nearest the nose, because peripheral light focuses UV more intensely there.² Once a pinguecula forms, it doesn’t go away on its own, though it can be managed to keep it from getting worse.

Aging adds another layer. Over decades, lipid deposits accumulate in the scleral tissue itself, similar to lipid buildup in artery walls. These deposits can give the whites a faintly yellowish or grayish cast that no amount of eye drops will remove.³ This is a normal part of getting older, and it affects nearly everyone to some degree.

Air pollution and tobacco smoke also contribute. Particulate matter and chemical irritants in polluted air provoke inflammation of the conjunctiva and can worsen dry eye symptoms over time.⁴ Smoking is a double hit: the chemicals irritate the eye surface directly, and the systemic vascular effects reduce blood flow to the delicate tissues around the eye.

Sleep Is More Important Than You Think

If your eyes look redder after a bad night, it’s not your imagination. Sleep deprivation measurably reduces tear production and damages the corneal surface, producing changes that mimic dry eye disease. In controlled experiments, sleep-deprived subjects showed decreased tear secretion, increased corneal surface defects, and signs of cell death on the corneal surface.⁵

The encouraging part of that research is that the damage reversed substantially after about two weeks of adequate rest. So if you’ve been running short on sleep and your eyes look perpetually tired and bloodshot, this is one of the fastest-acting natural fixes available. Consistent sleep doesn’t just reduce under-eye puffiness; it directly restores the tear film that keeps the sclera looking clear.

Hydration matters in the same vein, though the connection is less dramatic than social media suggests. Being genuinely dehydrated will reduce tear volume and worsen ocular surface dryness, but drinking excessive water beyond your thirst doesn’t make the whites of your eyes any brighter. The practical advice is simple: drink enough to keep your urine pale and your mouth from feeling dry, and your tear glands will generally have enough fluid to work with.

Protecting Your Eyes from UV and Environmental Damage

If you want to keep your sclera from developing the yellowish patches and chronic irritation that come with sun damage, sunglasses are the single most effective tool. Wraparound styles that block both UVA and UVB are best because they reduce the peripheral light-focusing effect that concentrates UV on the nasal side of the eye.² A wide-brimmed hat adds another layer of protection, particularly during peak sun hours.

For people who live in polluted urban environments or work around dust, fumes, or chemicals, the same principle applies: minimizing direct exposure to irritants slows the chronic low-grade inflammation that keeps eyes looking red. If you can’t avoid those environments, preservative-free artificial tears used at the end of the day can help flush irritants off the surface. Look for drops labeled “preservative-free,” because the preservatives in some bottled drops can themselves cause irritation with repeated use.

Wind is an underrated contributor too. If you’re a cyclist, a runner, or someone who spends a lot of time outdoors in windy conditions, wearing eyewear that shields against airflow reduces tear evaporation. The tear film is a thin liquid layer, and anything that accelerates evaporation shifts the balance toward dryness and redness.

Screen Time and Blink Rate

Staring at a screen reduces your blink rate by roughly a third to a half compared with normal conversation. Fewer blinks mean the tear film isn’t being refreshed as often, and the surface dries out faster between blinks. The result is the redness, irritation, and gritty feeling often lumped under the label “computer vision syndrome.”⁶

The well-known 20-20-20 rule (every 20 minutes, look at something 20 feet away for 20 seconds) was designed to combat this. It works partly by giving the focusing muscles a rest, but also because shifting your gaze away from a screen tends to restore a more normal blink pattern. Beyond that rule, keeping your monitor slightly below eye level helps, because looking slightly downward narrows the area of exposed eye surface and slows tear evaporation. If you spend eight or more hours a day on screens, these small ergonomic changes add up.

Adjusting your environment matters too. Dry indoor air from heating or air conditioning compounds the screen-related evaporation problem. A desktop humidifier, or simply positioning your desk so that air vents don’t blow directly at your face, can make a noticeable difference in how your eyes look by the end of a workday.

Omega-3 Fatty Acids and Eye Surface Health

Of all the dietary strategies promoted for brighter eyes, omega-3 fatty acids have the most rigorous evidence behind them, specifically for dry eye. A meta-analysis pooling results from randomized controlled trials found that omega-3 supplementation produced meaningful improvements in tear stability, tear production, and overall dry eye symptoms compared with placebo.⁷ One individual trial reported that about two-thirds of people taking omega-3s had significant symptom improvement at three months, compared with a third in the placebo group.⁸

There’s even evidence that omega-3s reduce the visible redness. A randomized trial comparing two forms of omega-3 supplementation against placebo found relative improvements in tear breakup time and in measured bulbar redness at 90 days.⁹ The anti-inflammatory effect appears to be part of the mechanism: the same trial showed significant reductions in a pro-inflammatory marker in the tears of one omega-3 group.

You can get omega-3s from fatty fish like salmon, mackerel, and sardines, or from supplements (fish oil or krill oil). The research hasn’t settled on one ideal dose, but most trials use somewhere in the range of one to two grams of combined EPA and DHA daily. Results tend to take a couple of months to become noticeable, so this is not a quick fix but rather a slow improvement in the underlying surface health that determines how white your eyes look day to day.

Other dietary factors get less attention but still matter at the margins. Vitamin A supports the mucin-producing goblet cells of the conjunctiva, and severe deficiency causes a condition called xerophthalmia where the eye surface becomes dry and damaged. Most people in developed countries get enough vitamin A from food, but if your diet is very low in orange and dark green vegetables, eggs, and dairy, there’s room for improvement. Vitamin C and E, both antioxidants, may help the eye surface resist oxidative stress from UV and pollution, though the evidence for supplementation beyond a balanced diet is thin.

What About Whitening Eye Drops

Over-the-counter whitening drops work by constricting the blood vessels on the eye surface, which mechanically reduces redness. Older formulations used active ingredients like tetrahydrozoline or naphazoline, and these carry a well-known rebound effect: once the drop wears off, the vessels dilate wider than they were before, so you end up needing the drops just to look normal. Over time, this cycle can leave your eyes chronically redder than they would have been without the drops at all.

A newer product uses low-dose brimonidine tartrate, which constricts blood vessels through a different pathway with reportedly less rebound. Studies confirm that it does reduce redness, though it also shrinks the pupil somewhat, with an average reduction in pupil area of roughly a quarter in healthy adults. People with lighter-colored irises saw a larger effect on both redness and pupil constriction.¹⁰

Whitening drops don’t address the underlying cause of redness. If your eyes are red because of chronic dryness or allergies or poor sleep, a vasoconstrictor drop paints over the problem for a few hours. The natural approaches described earlier take longer to show results but address the actual mechanisms that make your eyes look bloodshot. That said, there’s nothing wrong with using low-dose brimonidine occasionally for an important event or photograph, as long as you don’t lean on it as a daily crutch and ignore whatever’s causing the redness underneath.

Home Remedies to Be Cautious About

The internet is full of suggestions for brightening the whites of your eyes with household substances: lemon juice drops, honey diluted in water, chamomile tea rinses, milk compresses, turmeric washes. There is no controlled evidence that any of these whitens the sclera, and several carry real risks.

Putting acidic or non-sterile liquids directly into the eye creates an opportunity for infection. Corneal ulcers can develop rapidly when bacteria or fungi gain access to a damaged eye surface, and studies in regions where traditional eye remedies are common have found that prior corneal injury is a major risk factor for ulceration. In one large case series, roughly two-thirds of patients with corneal ulcers had a history of previous corneal injury, and nearly half of the positive cultures grew bacteria like Streptococcus and Pseudomonas that can cause rapid, sight-threatening damage.¹¹

A cool, clean washcloth placed gently over closed eyes can reduce puffiness and soothe mild irritation. That’s about as far as home remedies should go. If you want to rinse your eyes, use preservative-free saline or artificial tears, not kitchen ingredients. The conjunctiva is a mucous membrane with a delicate microbial balance, and introducing unsterilized substances disrupts that balance in ways that can escalate quickly.

When to See a Doctor Instead of Trying to Fix It Yourself

Most mild redness is harmless and resolves with rest, lubrication, or removing the irritant. But some patterns of redness signal something more serious that natural remedies won’t fix. The key distinguishing factors are whether the redness is in one eye or both, how severe the pain is, and whether you have any changes in vision.¹²

A systematic review of bedside signs in patients with a red eye found that certain findings strongly suggest serious disease: if the red eye also has a smaller pupil than the other eye, or if light shining into the unaffected eye causes pain in the red eye (a sign of internal inflammation), the odds of a dangerous condition jump sharply.¹³ Conditions like acute angle-closure glaucoma, iritis, and corneal ulcers can cause permanent vision loss if treatment is delayed, and none of them respond to warm compresses or omega-3 supplements.

You should get prompt evaluation if you notice:

• Severe pain: mild irritation from dryness is one thing, but deep, aching eye pain is a red flag.
• Vision changes: blurriness, halos around lights, or loss of vision alongside redness needs urgent attention.
• Unequal pupils: one pupil noticeably smaller or larger than the other in the red eye.
• Light sensitivity: pain that worsens with bright light, especially if light in the other eye triggers pain in the affected one.
• Recent eye injury or contact lens problems: any redness after trauma, a foreign body, or sleeping in contacts warrants a check.

Persistent yellowing of the sclera is a different category altogether. If the whites of your eyes have turned distinctly yellow rather than just looking dull or slightly off-white, that can indicate elevated bilirubin from liver or blood disorders and has nothing to do with eye surface health. A physician can check with a simple blood test.

Why Human Eyes Are Conspicuously White

An interesting piece of context for anyone wondering about the aesthetics of white sclera: humans are unusual among primates in having bright, uniformly white sclera with a lot of it visible around the iris. Most other primates have darker sclera with less of it exposed. The leading hypothesis is that our white sclera evolved to make it easier for others to track our gaze direction, which is useful for cooperative communication. When you can see where someone else is looking, it’s much easier to coordinate attention, share information, and build social bonds.¹⁴

Research comparing scleral color across primate species supports this idea, with evidence suggesting that conspicuous white sclera help signal gaze direction to others and may have been important in establishing the kind of shared attention that underpins complex social cooperation.¹⁵ In other words, your instinct that clear white eyes look healthy and attractive isn’t just cultural. It’s wired into a communication system that has been evolving for a very long time. The contrast between a dark iris and bright sclera is literally a social signal, which may be part of why people notice and care about scleral whiteness in the first place.

A Practical Routine That Actually Works

If you strip away the noise, the evidence-backed approach to naturally whiter eyes is really a handful of overlapping habits that protect the tear film and minimize chronic inflammation. Getting seven to nine hours of sleep consistently restores the tear system measurably. Wearing UV-blocking sunglasses prevents the cumulative conjunctival damage that causes permanent yellowed patches. Eating omega-3-rich foods or supplementing supports the oil layer of the tear film and reduces surface inflammation over a period of weeks. Managing screen time with periodic breaks keeps blink rate closer to normal. Avoiding cigarette smoke and heavy air pollution removes two of the most common environmental irritants.

None of these produce an overnight transformation. What they do is address the actual reasons eyes lose their brightness: an unstable tear film, a chronically inflamed surface, UV-damaged conjunctival tissue, and inadequate rest for the lacrimal system. The combined effect of these habits, maintained over weeks, is what produces the clear, white sclera that no single product or shortcut replicates. If the redness doesn’t resolve after a few weeks of genuinely good sleep, proper hydration, and reduced screen time, that’s a reasonable point to see an optometrist, because persistent redness despite good habits may point to an underlying condition like meibomian gland dysfunction or chronic allergic conjunctivitis that benefits from targeted treatment.