Why Eyes Dilate When You See Someone You Love (2024)

Your eyes dilate when you see someone you love because you want to see MORE of them. You want to take them all in. You want to see as much of them as possible.

Disney princess level eye dilation not only reveals attraction, but it also makes you appear more attractive– what a beautiful love feedback loop to enter!

If someone is looking at you with dilated eyes, they may be in love or they may also be afraid of you or highly caffeinated or drunk or fresh out of the optometry office. Of course, they could be ALL of the above. Let’s look closer at each of the causes of eye dilation.

Why Eyes Dilate: Increased Oxytocin

Oxytocin is the warm and fuzzy love hormone released after intimate connection. In empathic, healthy people (i.e. not psychopaths), oxytocin gets released after a hug, a sweet conversation, seeing a baby, or connecting strongly with someone. When oxytocin releases, pupils often dilate too.

Why Eyes Dilate: Perceived Threat

Eyes respond to love and fear the strongest. Some may argue that anxiety and excitement are two sides of the same coin. You’ve probably heard that Fritz Perls quote (the founder of Gestalt Therapy) about how fear is excitement without breath. They’re very close!

Why Eyes Dilate: Optometry Induced

Optometrists dilate eyes on purpose to examine the retina. They do this inserting eye drops that cause this physical response that lasts several hours thereafter. Your eyes may feel light sensitive when dilated so we recommend wearing sunglasses. Another side effect can be blurry vision or trouble focusing on objects. Dilation has the biggest impact on your near/reading vision so many people are still safe to drive following dilation, but if they are someone who does not feel comfortable doing so, then they may want to have a driver.

Why Eyes Dilate: Alcohol & Caffeine

Caffeine creates a fight or flight response that make the eyes dilate. Brain scans after caffeine and alcohol consumption show less blood flowing to the brain. This adrenalized fight or flight response causes the eyes to dilate in reaction in order to see the maximum amount of the possible threat at hand.

In Conclusion:

If your eyes are dilated needlessly for a long period of time, make an appointment for an eye exam as you may be suffering from something beyond love. It’s wise to get regular eye exams in general because they not only test your vision but can diagnose a wide variety of other health conditions and risks.

Why Eyes Dilate When You See Someone You Love (2)

Why Eyes Dilate When You See Someone You Love (2024)

FAQs

Why Eyes Dilate When You See Someone You Love? ›

Why does this happen? For starters, oxytocin and dopamine — the “love hormones” — have an effect on pupil size. Your brain gets a boost of these chemicals when you're sexually or romantically attracted to someone. This surge in hormones appears to make your pupils dilate

pupils dilate
The excitation of the radial fibres of the iris which increases the pupillary aperture is referred to as a mydriasis. More generally, mydriasis also refers to the natural dilation of pupils, for instance in low light conditions or under sympathetic stimulation.
https://en.wikipedia.org › wiki › Mydriasis
.

Do eyes dilate when you're in love? ›

Oxytocin is the warm and fuzzy love hormone released after intimate connection. In empathic, healthy people (i.e. not psychopaths), oxytocin gets released after a hug, a sweet conversation, seeing a baby, or connecting strongly with someone. When oxytocin releases, pupils often dilate too.

What does it mean when your eyes dilate around someone you like? ›

The autonomic nervous system triggers various responses during emotions, such as arousal or happiness. The happy hormone, also known as dopamine, is produced when the body expects something good, such as a slice of cake or attention from a loved one. But the hormone can make the pupil widen as a side effect.

What emotions cause pupils to constrict? ›

When we are stressed, the sympathetic spurs initiated with "struggle or escape" stimulus dilate the pupil. On the other hand, the parasympathetic spurs initiated with “rest and digestion” stimulus constrict the pupil. Our pupils balance between light and emotional reactions at each moment.

What do your pupils say about you? ›

Our pupils respond to more than just the light. They indicate arousal, interest or mental exhaustion. Pupil dilation is even used by the FBI to detect deception.

Can you see love in someone's eyes? ›

We've all heard the term “Love is in the Air,” but can love really be in the eyes? Actually, science has proven it so! Certain chemicals (or endorphins) that produce the emotion of love can be emitted through emotions expressed in the eyes.

Can you tell if someone loves you by their eyes? ›

You can often tell someone desires you with their eyes, and you can tell that they're feeling affectionate and fond of or interested in you, but I would say you can't tell true love through the eyes because love is so much deeper than only the eyes can show us,” says Dr.

What causes dilated pupils attraction? ›

However, some research suggests that emotions can also influence pupil dilation, including sexual attraction. This might be due to hormonal changes. Related emotions might also cause changes in pupil size, such as trust.

Can you see desire in someone's eyes? ›

This lustful gaze often appears more focused and can be accompanied by dilated pupils, a natural response to arousal. Additionally, signs of desire in eyes might include more frequent blinking, and the person might seem to be visually scanning you more thoroughly than in a platonic interaction.

What does it mean when your pupils constrict when you look at someone? ›

The pupil near response (PNR), also called the pupil near reflex, is the constriction of the pupil in response to looking at a nearby object, and the dilation of the pupil in response looking at a far-away object.

Does dilated pupils mean anger? ›

What's different with a person experiencing emotions of anger is that their body is preparing for an attack and wants to be perceived as the dominating threat. The feeling of aggression and the rise of adrenaline will cause your pupils to dilate, which will also contribute to a more frightening appearance.

What are bipolar eyes? ›

Bipolar eyes describe changes such as pupil size, eye brightness, and gaze that occur with bipolar disorder. These changes differ in the manic vs. depressive stages of this disease. There are some reports that bipolar eyes exist. However, it is not enough to use these changes as diagnostic tools.

Do pupils dilate in love? ›

For starters, oxytocin and dopamine — the “love hormones” — have an effect on pupil size. Your brain gets a boost of these chemicals when you're sexually or romantically attracted to someone. This surge in hormones appears to make your pupils dilate. Dilation may also be related to the biological need to reproduce.

Can you tell emotions through your eyes? ›

Studies have shown that when you look at an object or person you love, your pupil size increases. Fear or Surprise Fear is usually indicated by wide-open eyes not accompanied with a smile but often an “O” shaped mouth. Surprise on the other hand is also usually shown by wide-open eyes along with a fleeting look.

What eyes can tell you about someone? ›

Our eyes can also reveal our level of confidence, assertiveness—and even our level of honesty. Studies have shown that people who maintain direct eye contact are often perceived as more confident and trustworthy, while avoiding eye contact may be interpreted as a sign of shyness, anxiety or deceit.

What does it mean if your eyes dilate? ›

In low light, your pupils open up, or dilate, to let in more light. When it's bright, they get smaller, or constrict, to let in less light. Sometimes your pupils can dilate without any change in the light. The medical term for it is mydriasis.

Do your eyes dilate when you kiss someone? ›

A kiss can cause our blood vessels to dilate, our pulse to quicken and cheeks to flush. Our pupils grow wide, which is likely one reason that so many of us are apt to close our eyes. In other words, the body's response mirrors many of the same symptoms frequently associated with falling in love.

How do you know if someone loves you? ›

When your partner is truly in love with you, they'll make you feel physically and emotionally safe when you're with them. They won't threaten you, put you down, try to control you, or cut off your social support system. In fact, they'll encourage you to express yourself freely and accept you unconditionally.

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