Who Needs Foreign Body Removal
People who work with metal, wood, or machinery are at the highest risk for eye foreign bodies. Grinding, drilling, hammering, and cutting can send tiny particles flying into the eye at high speed. According to the Bureau of Labor Statistics in 2023, workers suffered 18,510 eye-related injuries and illnesses requiring time away from work in 2020. Many of these injuries involved foreign objects. Home projects like mowing the lawn, trimming hedges, and using power tools also put your eyes at risk.
Wearing safety glasses or goggles during these activities can prevent most foreign body injuries. If you feel something enter your eye while working, stop what you are doing and seek care right away.
People who wear contact lenses may be more likely to trap particles between the lens and the surface of the eye. This can cause irritation and scratching. A small particle that might wash away on its own with blinking can become stuck against the cornea when held in place by a contact lens. If you feel sudden pain or a gritty feeling while wearing contacts, remove the lens carefully and rinse your eye with clean water or saline. If the discomfort continues, see an eye care provider to check for a trapped particle or a corneal scratch.
Children are prone to getting things in their eyes during outdoor play. Sand, dirt, small insects, and plant matter are common culprits. Young children may rub their eyes when something gets in, which can push the object deeper or cause a scratch. Older children playing sports or riding bikes without eye protection are also at risk for foreign body injuries.
If your child complains of eye pain or you notice redness and tearing, try a gentle rinse with clean water. If the symptoms do not clear up quickly, bring them in for an exam. Do not try to remove an object you can see on the surface of your child's eye, as this can cause more harm without the right tools.
Common signs include a sharp or gritty feeling in the eye, tearing, redness, sensitivity to light, and blurred vision. You may feel the need to blink often or keep the eye closed. In some cases, you can see the object on the surface of the eye. If you cannot see it but still feel it, the particle may be under the eyelid or embedded in the cornea. Symptoms that get worse over time, rather than better, are a sign that you need professional care.
How Foreign Body Removal Works
Your provider will begin by checking your vision and examining your eye with a slit lamp. A slit lamp is a special microscope that uses a bright, thin beam of light to give a detailed view of the eye surface. Your provider may use a yellow dye called fluorescein to highlight scratches or embedded objects that are hard to see. Numbing eye drops are applied so the exam is comfortable.
The provider will also check for signs of a deeper injury. A test called the Seidel test can determine whether the object has gone through the full thickness of the cornea. This step is important for ruling out a more serious wound before any removal is attempted.
The method your provider uses depends on the type and location of the foreign body. Loose particles on the surface may be flushed away with sterile saline or lifted with a moist cotton swab. For objects that are embedded in the cornea, the provider may use a fine sterile needle under magnification to gently lift the particle out.
Metal particles, especially iron or steel, can leave a rust-colored ring on the cornea. According to the National Institutes of Health in 2024, metallic foreign bodies can form rust rings within four to six hours of contact. If a rust ring is present, the provider will use a small rotating tool to carefully remove it. This prevents ongoing irritation and helps the cornea heal clearly.
After the foreign body is removed, your provider will prescribe antibiotic eye drops to prevent infection. You will use these drops several times a day for about one week. Most surface scratches on the cornea heal within 24 to 48 hours. Deeper scratches may take a few days longer. Current medical evidence supports healing without an eye patch, as studies show faster recovery and less discomfort without patching.
Your provider may also prescribe drops to reduce pain from muscle spasms inside the eye. Over-the-counter pain relief can help with any remaining discomfort. You should avoid rubbing your eye during the healing period.
What to Expect During Your Visit
When you arrive, our staff will ask about what happened and when the injury occurred. Knowing the type of material involved, such as metal versus wood, helps your provider plan the safest approach. Metal particles need to be checked for rust rings, while organic materials like wood or plant matter carry a higher risk of infection. Numbing drops will be placed in your eye before the exam begins, so you should not feel pain during the procedure.
If you are wearing contact lenses, you will be asked to remove them. Bring your glasses with you in case your provider recommends leaving contacts out for several days while your eye heals.
The removal itself is usually quick. Most foreign bodies can be removed in a single visit. You will rest your chin on the slit lamp while your provider works under magnification. You may feel some pressure, but the numbing drops keep the process comfortable. If a rust ring needs to be removed, this may take a few extra minutes.
Your provider will check your eye again after removal to make sure no fragments remain. A final fluorescein stain may be used to confirm the surface defect left by the object and measure its size for follow-up tracking.
You will receive clear instructions for home care. Use your antibiotic drops as directed. Avoid dusty or windy environments while your eye heals. Do not wear contact lenses until your provider says it is safe. Do not rub or touch your eye, even if it feels itchy as it heals. A follow-up visit is typically scheduled within 24 hours to make sure the healing is on track and no infection has started.
Most patients feel much better within a day or two. If your pain increases, your vision changes, or you notice new discharge from the eye, contact our office right away. These could be signs of infection or a complication that needs attention.
Your Journey Through Foreign Body Care
If you feel something enter your eye, do not rub it. Blinking and tearing may flush out loose particles on their own. You can try rinsing your eye gently with clean water or saline. If the object does not come out, or if you have pain, redness, or blurred vision, call our office. Do not try to remove an embedded object yourself.
If the foreign body is metal, glass, or wood, or if it entered the eye at high speed, seek care immediately. These materials carry a higher risk of deep injury and infection. Metal particles are a special concern because iron and steel can begin to oxidize on the eye surface within hours. This creates a rust stain that needs professional removal with specialized tools.
At our office, your provider will examine your eye, remove the foreign body, and treat any damage to the cornea. The visit typically takes less than an hour. You do not need a referral to be seen for a foreign body injury. Our team has the tools and training to handle a wide range of foreign body injuries, from simple surface particles to embedded metallic objects with rust rings. Our practice uses advanced slit lamp equipment and has fellowship-trained specialists available for complex cases. We have locations in Greenbelt, Rockville, and Cumberland so you can reach us quickly from most areas in the region.
After removal, follow your care instructions closely. Attend your follow-up appointment so your provider can confirm the cornea is healing properly. Most patients return to normal activities within a few days. For workplace injuries, talk to your provider about when it is safe to return to duties that involve eye hazard exposure. We can also recommend the right type of protective eyewear for your job or hobbies. If you had a rust ring removed, your provider may want to see you for a second follow-up to make sure the area has healed completely and no residual material remains.
Questions and Answers
You can try to flush out loose particles by blinking or rinsing with clean water. If the object does not come out, or if you still feel discomfort after flushing, see an eye care provider. Do not use tweezers, cotton swabs, or your fingers to try to remove something from the surface of your eye. Embedded objects must be removed by a professional.
If rinsing and blinking do not relieve the feeling that something is in your eye, the object may be embedded. Other signs include ongoing pain, light sensitivity, a visible spot on the surface of the eye, and redness that does not fade. You may also notice that your vision is slightly blurry in the affected eye. Your provider can confirm this with a slit lamp exam and fluorescein dye.
Leaving a foreign body in the eye can lead to infection, scarring, and in some cases lasting damage to your vision. Metal particles can form rust rings that cause ongoing irritation and make it harder for the cornea to heal clearly. Organic materials like wood carry a high risk of fungal infection, which can be harder to treat than bacterial infections. The sooner the object is removed, the better the outcome.
Numbing drops are applied before the procedure, so most patients feel little to no pain. You may feel mild pressure during the removal. After the numbing wears off, some soreness is normal and can be managed with over-the-counter pain medicine and the drops your provider prescribes.
Most superficial corneal scratches from foreign body removal heal within 24 to 48 hours. Deeper injuries may take longer. Your provider will give you a specific timeline based on the size and depth of the wound. Follow-up visits help make sure healing is progressing as expected.
Wear safety glasses or goggles whenever you work with tools, machinery, or chemicals. Use eye protection during sports and outdoor activities that involve flying debris. According to the American Academy of Ophthalmology in 2024, 90 percent of all eye injuries can be prevented through the use of suitable protective eyewear. Keep children away from activities that generate flying particles, and teach them not to rub their eyes if something gets in.