Eye Injuries Chemical Burns

Overview

A chemical eye burn happens when a harmful substance splashes, spills, or gets into your eye. It can damage the clear front surface of the eye (the cornea), the white part of the eye, and the eyelids. This is an emergency because damage can get worse quickly.

Chemical eye injuries are not rare, especially at home and at work, but serious burns are less common.

Anyone can be affected. People who work with industrial chemicals, cleaners, garden products, or building materials are at higher risk. Children can also be injured if they reach household products.

Symptoms

Common symptoms

• A burning or stinging feeling in the eye
• Redness and swelling
• Watery eye or tears
• Blurred vision
• Light sensitivity
• Feeling that something is in the eye
• Trouble opening the eye
• A white or cloudy patch on the eye

Symptoms in children

• Crying and rubbing the eye
• Refusing to open the eye
• Redness or swelling
• Being unable to say what happened
• Irritability or clinginess

Symptoms in older adults

• Symptoms may be less obvious if you have reduced feeling in the eye
• Dry eye or previous eye surgery can make an injury worse
• You may need help with first aid and getting to care

Causes

Main causes

• Household cleaners, including bleach, drain cleaners, oven cleaners, and bathroom sprays
• Garden chemicals such as fertilizers, pesticides, and lime
• Building materials such as cement, plaster, and paint
• Car battery fluid and other acids
• Industrial chemicals and solvents
• Cosmetics, hair products, and some personal care products

Risk factors

• Working with chemicals without eye protection
• Cleaning at home without goggles or gloves
• Storing chemicals in unlabelled bottles or within children's reach
• Mixing cleaning products
• Not using an eyewash station when one is available
• Having a job or hobby that involves chemicals, DIY, farming, or building work

When to see a doctor

See a doctor urgently if:

• Any chemical exposure to the eye — do not wait
• Pain, redness, tearing, or blurred vision after a splash
• Feeling that something is stuck in the eye after flushing
• A chemical splash in a child or in someone who cannot rinse well

Book a routine appointment if:

• Follow-up after treatment to check healing
• Ongoing dry eye, light sensitivity, or vision changes after an injury
• Advice about eye protection at work or home

Diagnosis

A doctor will ask what chemical was involved, when it happened, and what first aid you did. They will check your vision and examine the eye carefully, often with a bright light and special drops.

Tests that may be done

• Vision test
• Slit-lamp exam (a microscope with a bright light)
• A special dye drop and blue light to show damaged areas
• pH test of the eye using a small paper strip
• Checking under the eyelids for chemical particles or debris

What to expect at your appointment

The exam may feel bright or uncomfortable, but it is quick. Your doctor will decide if you need treatment in a clinic or hospital and arrange follow-up. Bring the chemical container or its name if you can do so safely.

Treatment

A chemical eye burn needs care right away. First aid flushing is started before you reach a doctor and may be continued in clinic. Treatment aims to remove the chemical, protect the eye surface, prevent infection, and ease pain.

Self-care at home

• Flush the eye with clean, cool water for at least 20 minutes as soon as possible
• Remove contact lenses if they come out easily
• Do not rub the eye or put in other drops
• Call for emergency help
• Follow all aftercare instructions
• Do not wear contact lenses or eye makeup until cleared
• Avoid rubbing your eyes
• Use prescribed treatments exactly as directed
• Wear sunglasses if light hurts
• Keep follow-up appointments

Medical treatments

Doctors may keep flushing the eye, remove any bits of chemical, and check the eye surface. They may use eye drops or ointments to help healing and prevent infection, and medicines to manage pain. Some people need a protective shield or a short stay in hospital for close care. You may be given follow-up appointments to check vision and healing.

When is surgery considered?

Surgery is uncommon. It may be needed for severe damage, such as removing dead tissue, repairing the eye surface, or treating scarring that affects vision later. Your eye doctor will explain if this is needed.

Living with this condition

Recovery can take days to weeks, depending on the burn. You may have blurry vision or light sensitivity for a while. Keep all follow-up visits, even if you feel better. Ask your care team when you can return to work, drive, or wear contact lenses.

Lifestyle tips

• Wear sunglasses outdoors if light bothers you
• Avoid rubbing your eyes
• Do not use eye makeup until cleared
• Keep chemicals out of reach and label them clearly
• Use protective eyewear for work or DIY
• Ask for help with cleaning or tasks that involve chemicals

Diet and exercise

No special diet is needed. Eat normally and drink water. Ask your doctor when it is safe to exercise, especially if you have pain or are recovering from surgery. Avoid activities that could get sweat, dust, or chemicals in the eye.

Mental health and emotional wellbeing

Eye injuries can be scary. You may worry about your sight, sleep badly, or feel anxious. These feelings are common. Tell your care team if you feel very worried or low. If you have thoughts of harming yourself, contact local crisis support or emergency services right away.

Prevention

Many chemical eye burns can be prevented. Wear goggles or safety glasses when handling cleaners, garden chemicals, or industrial products. Store chemicals in labelled containers, out of reach of children. Read instructions, open containers away from your face, and never mix cleaning products. Use eyewash stations where available. Wash hands after handling chemicals.

Vaccines

Not applicable — vaccines do not prevent chemical eye burns.

Screening programmes

Not applicable — there is no screening test. Safe storage and eye protection are the best prevention.

Complications

If left untreated

• Damage to the clear front of the eye (cornea)
• Infection or an open sore on the eye
• Scarring that can blur vision
• Dry eye or light sensitivity
• Glaucoma (raised pressure in the eye)
• Eyelid problems or trouble opening the eye
• Rarely, serious vision loss

Long-term outlook

With quick flushing and medical care, many people recover well. Some need longer treatment or have lasting vision changes. Getting help early gives the best chance of healing.

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