Its possible, but not definite, that the redness in the corner of your eye is pink eye conjunctivitishowever, it could also be due to minor trauma or irritation from rubbing with the towel. Lets break it down Possible Causes of Redness in the Corner of the Eye Minor Irritation or Abrasion If you rubbed your eye hard or the towel was rough, it mightve caused a small abrasion or irritation, leading to redness. This type of redness is usually localized and may not come with discharge. Subconjunctival Hemorrhage Sometimes a small blood vessel can break under the surface when rubbing the eye, leading to a bright red spot. It looks alarming but is harmless and heals on its own. Pink Eye Conjunctivitis Viral Redness, watery discharge, irritation, often starts in one eye and spreads. Bacterial Redness, thicker yellow or green discharge, often crusting overnight. Allergic Itchy eyes, tearing, usually affects both eyes. Signs That Point Toward Pink Eye Redness spreading across the white of your eye, not just in the corner Itching or burning Watery or thick discharge Sensitivity to light Crusting of the eyelid, especially in the morning What You Can Do Now Monitor closely If its getting worse or new symptoms develop discharge, itchiness, pain, you should see a healthcare provider. Avoid touching or rubbing the eye Use artificial tears to soothe irritation preservativefree if possible If discharge appears, or both eyes become involved, see a doctor, as treatment may be needed. If youre really concerned or the redness persists more than 23 days, a visit to urgent care or an eye specialist is a good idea.