Corneal Abrasion & Eye Injury: First Aid and When to See a Doctor
Emergency guidance from Nunehim Eye Center for patients in Yeongdeungpo, Guro, Gasan and Gwanak
Q. What is a corneal abrasion?
A corneal abrasion is a scratch on the clear, protective outer layer of the eye. It is one of the most common eye injuries we treat at our Guro-gu clinic, typically caused by fingernails, contact lenses, makeup brushes, or small foreign particles like dust or metal fragments.
Q. What causes corneal abrasions and eye injuries?
Common causes include contact lens overwear or improper removal, foreign bodies such as dust, sand, or metal shavings, fingernail scratches, tree branches or paper edges, sports impacts, and workplace exposure to debris. Many patients we see from Gasan and Guro Digital Complex are office and IT workers who develop lens-related abrasions, while students in Gwanak and Yeongdeungpo more often present with sports or foreign-body injuries.
Q. How common are eye injuries in Seoul?
- ▸ Eye injuries remain among the more frequent workplace and household injuries reported in Korean urban districts, including areas near Guro Digital Complex and Gasan.
- ▸ Contact lens wearers account for a substantial share of corneal abrasion cases, reflecting some of the highest contact lens usage rates in Asia among Korean adults in their 20s and 30s.
- ▸ Children and student athletes in Gwanak and Yeongdeungpo make up a notable share of sports-related corneal injuries treated at local clinics.
- ▸ Most simple corneal abrasions heal within 24 to 72 hours with proper care, but delayed treatment meaningfully raises the risk of infection or ulcer formation.
Q. What is the correct first aid for a corneal abrasion?
Do not rub the eye. Blink gently and rinse with clean water or saline to flush out loose debris, and remove contact lenses immediately if you wear them. Avoid pressing on the eye or trying to remove an object that feels embedded.
Cover the eye loosely with a clean cloth if it is light-sensitive or painful, take an over-the-counter pain reliever if needed, and see an ophthalmologist the same day. Do not use old or shared eye drops, and never apply steroid drops without a prescription.
Q. What are the symptoms of a corneal abrasion?
Typical symptoms include a foreign-body sensation, sharp pain that worsens with blinking, tearing, redness, light sensitivity, and blurred vision. Symptoms can feel disproportionately severe compared to the size of the scratch, because the cornea has a dense concentration of pain nerves — this is normal and not necessarily a sign of a deeper injury.
⚠ Warning Signs That Need Same-Day Care
- Suspected penetrating injury or embedded foreign object
- Chemical splash or exposure to any caustic substance
- Significant vision loss or a visible white spot on the cornea
- Pain, redness, or discharge that worsens after 24 hours
- Injury in a contact lens wearer with redness and pain
- No improvement despite home care within one day
Minor
Small surface scratch with mild irritation; usually heals in 24–48 hours with antibiotic drops and lens avoidance.
Moderate
Larger abrasion with pain and light sensitivity; needs an ophthalmology visit within hours and follow-up until fully healed.
Severe
Penetrating injury, embedded foreign body, or chemical exposure; requires emergency evaluation and possible surgical care.
“At Nunehim Eye Center, I remind patients in Yeongdeungpo and Guro that a corneal scratch, however small it feels, deserves a same-day exam. Most heal quickly with the right drops and lens avoidance, but an untreated abrasion can progress to a serious infection within days.” — Dr. Daniel Baik, board-certified ophthalmologist
❓ Frequently Asked Questions
Q. What should I do immediately after a corneal abrasion?
Avoid rubbing the eye, remove contact lenses right away if you wear them, rinse gently with clean saline or water if there is dust or a chemical involved, and seek an eye exam the same day rather than waiting.
Q. Can a corneal abrasion heal on its own?
Small, uncomplicated abrasions often heal within one to three days with antibiotic drops and eye protection, but even minor scratches should be evaluated to rule out infection or a retained foreign body.
Q. Is it safe to patch my eye at home?
No. Home patching is not recommended, especially for contact lens wearers, because it can trap bacteria against the eye and increase infection risk. A doctor will decide if a bandage contact lens or patch is appropriate.
Q. How long does a corneal abrasion take to heal?
Most heal within 24 to 72 hours with proper treatment, though larger or deeper injuries can take a week or more and need follow-up visits to confirm healing.
Q. Can contact lenses cause corneal abrasions?
Yes. Sleeping in lenses, overwearing disposable lenses, or inserting and removing lenses with long fingernails are common causes we see in patients from Gasan and Guro Digital Complex.
Q. What if something is stuck in my eye?
Do not try to remove an embedded object yourself. Cover the eye loosely without pressing on it and go to an emergency eye clinic immediately.
Q. When should I go to the ER instead of a clinic?
Go to an emergency department if there is a penetrating injury, chemical splash, significant vision loss, or if it is outside clinic hours and pain is severe, since some injuries need urgent surgical evaluation.
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Nunehim Eye Center — nunehim.com
📍 Visit Nunehim Eye Center — Guro, Seoul
Convenient access from Guro, Gasan, Gwanak & Dongjak. Near Guro Digital Complex Station (Line 2).
Address: 551 Siheung-daero, Guro-gu, Seoul / nunehim.com
Hours: Mon–Fri 09:00–18:30 (lunch 13–14), Sat 09:00–14:00
Languages: Korean & English
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