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How to Tell If You Have Pink Eye or a Stye

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Close-up of an adult's eye with a red, visibly irritated white area and visible blood vessels, taken in an eye exam room.

Key Takeaways

  • Pink eye affects the surface of the eye, while a stye forms as a lump on the eyelid.
  • Both cause redness, but the location and other symptoms are different.
  • Warm compresses help styes, while cool compresses can ease pink eye discomfort.
  • Avoid contact lenses and eye makeup until symptoms clear.
  • See an optometrist if symptoms last beyond 48 hours or you experience vision changes.

Pink Eye and Stye: What Is the Difference?

Your eye looks red, feels irritated, and something is clearly off. But is it pink eye or a stye? The two conditions can look similar at first glance, but they actually affect different parts of your eye.

Pink eye affects the thin lining that covers the white of your eye and the inside of your eyelids, while a stye is a small, raised lump that forms along the edge of your eyelid from a blocked oil gland. Knowing what you’re dealing with helps you treat it properly and gives you a better sense of when it’s time to get professional help from our team at Lowy and Sewell Eye Care, serving patients throughout Vaughan, including Thornhill.

Symptoms of Pink Eye vs. a Stye

Pink Eye Symptoms

With pink eye, redness spreads across the white of the eye rather than being concentrated in one spot. Symptoms include:

  • Redness across the white of the eye
  • A feeling like there’s something stuck in your eye
  • Watery or pus-like discharge
  • Itching, blurry vision, or sensitivity to light

Stye Symptoms

Styes are easy to spot because you can often feel and see the lump. Common signs include:

  • A raised, red lump along the edge of the eyelid
  • Swelling, puffiness, and tenderness
  • The bump is sore to the touch
  • Tearing or a gritty sensation in the eye

What Causes Each Condition

Common Causes of Pink Eye

Pink eye is often caused by a virus or bacteria, which is why it spreads easily from person to person. In some cases, however, pink eye is caused by allergens and environmental irritants like smoke, pollen, or pet dander. This kind of pink eye isn’t contagious.

Common Causes of a Stye

Styes happen when bacteria block one of the small oil glands along your eyelid. This often happens when you sleep with makeup on, as leftover product can clog oil glands, or when you touch your eyes with unwashed hands and introduce bacteria.

At-Home Care & When to See a Doctor

Home Care Tips for Both Conditions

For both conditions, take out your contact lenses and skip eye makeup until things clear up. Wearing contacts or applying makeup over an irritated eye can slow down recovery and make things worse.

When to Visit an Optometrist in Vaughan

Home care is a reasonable first step, but some situations call for professional attention. Reach out to your optometrist in Vaughan if you notice any of the following:

  • Symptoms that are not improving after 48 hours
  • Changes in your vision or yellow and green discharge
  • A stye that is not draining on its own or is getting larger

How to Prevent Pink Eye & Styes

A few simple habits can go a long way in keeping either condition from coming back. Most of it comes down to keeping your hands and eye products clean.

  • Wash your hands before touching your eyes or face
  • Remove makeup every night and replace eye products every few months
  • Avoid sharing towels, washcloths, or any eye-related products with others

These small steps are easy to overlook, but they make a real difference in keeping your eyes comfortable and healthy. Routine eye exams also give our care team a chance to catch early signs of recurring issues before they become a bigger problem.

Adult washing hands with running water at a bathroom sink, looking down focused. Soap dispenser visible nearby.

Get the Right Care for Your Eyes

Red, irritated eyes are uncomfortable no matter the cause. If your symptoms aren’t clearing up or if you’re unsure what you’re dealing with, our team at Lowy and Sewell Eye Care can help you get a clear answer and the right treatment.

Reach out to book an appointment with us and get the care your eyes deserve.

Written by Dr. Jeremy Sewell

Dr. Jeremy Sewell graduated from the University of Guelph, where he obtained his Bachelor of Biological Sciences with Honours in 2007. Dr. Sewell obtained his Doctor of Optometry from Indiana University in 2015.

His training included internships at Vision Care Specialist in Chicago, Illinois, WJB Dorn Veterans Hospital in Columbia, South Carolina, Indianapolis Eye Care Center in Indianapolis, Indiana, and Atwater Eye Care Center in Bloomington, Indiana.

During his Optometry studies, Dr. Sewell was involved in non-profit volunteer work. He provided screening eye exams at multiple homeless shelters for underprivileged persons in the Indianapolis area and at elementary schools in the Bloomington area. Dr. Sewell has special interests in retinal pathology, specialty contact lens fittings, and the treatment and management of acute red eye.

When not working at his Concord, ON, eye clinic, Dr. Sewell enjoys travel, rock climbing, hockey and guitar.

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