Cataracts themselves do not hurt
A cataract is a clouding of your eye's lens. It does not cause pain, aching, burning, or any physical discomfort in the eye itself. You will not feel a cataract forming or growing. Many people have cataracts for months or years without knowing it, because the only symptom is that vision becomes gradually blurrier.
If your eye hurts, the pain is coming from something else — not the cataract. Common causes of eye pain include dry eye, infection, glaucoma, or something stuck in or scratching the eye. Pain is a signal to see an eye doctor right away, because it usually means something needs treatment.
Cataracts do cause vision problems: blurriness, dimness, trouble with glare, or colors looking faded. These are frustrating and can affect your daily life, but they are not painful sensations.
Key Takeaways
- Cataracts cause blurry vision but not pain, aching, or burning in the eye.
- If your eye hurts, the pain is from a different condition and you should see an eye doctor soon.
- Vision changes from a cataract happen slowly over time and do not come with physical discomfort.
- Glaucoma, dry eye, and infection can all cause eye pain and may occur alongside a cataract.
- Pain in the eye is never a normal part of cataract development and always warrants medical attention.
When to call your eye doctor about eye pain
Call your eye doctor the same day if you have eye pain along with vision changes, redness, or discharge. Do not wait to see if it goes away. Eye pain can signal a serious condition that needs prompt treatment.
Go to an urgent care or emergency room if the pain is severe, came on suddenly, or you have vision loss along with it. Conditions like acute glaucoma, corneal abrasion, or infection can damage your eye quickly if not treated.
If you have a cataract and your eye starts to hurt, the pain is not from the cataract itself. Something new is happening, and your doctor needs to know what it is.
Other eye conditions that cause pain
Dry eye causes a burning, scratchy, or gritty feeling. Your eye may water excessively even though it feels dry. This is common in older adults and can happen alongside a cataract.
Glaucoma is increased pressure inside the eye. Acute glaucoma causes sudden severe pain, blurred vision, and sometimes nausea. Chronic glaucoma usually causes no pain at all, which is why regular eye pressure checks matter. You can have both a cataract and glaucoma at the same time.
Corneal abrasion is a scratch on the clear front surface of your eye. It causes sharp pain, redness, and sensitivity to light. This needs treatment to prevent infection.
Eye infection (conjunctivitis or keratitis) causes pain, redness, discharge, and sometimes blurred vision. Bacterial infections need antibiotic drops or ointment.
How cataracts change your vision without pain
A cataract makes your vision cloudy or dim because the lens becomes less clear. Light cannot pass through as easily. You might notice that colors look faded, that you need more light to read, or that headlights and lamps create a halo or glare.
These vision changes happen gradually. You may not notice them at first, especially if only one eye is affected. Over time, the cloudiness can become dense enough that it interferes with driving, reading, or recognizing faces.
None of this process involves pain. The lens has no nerve endings that sense pain, so the cataract itself cannot hurt you. The discomfort you feel is frustration with the vision loss, not physical pain from the eye.
What happens if you ignore a cataract
Ignoring a cataract will not cause pain or permanent damage to your eye. The cataract will continue to cloud slowly, and your vision will get worse. Eventually it may become so dense that you cannot see well enough to drive safely or do the things you want to do.
A very advanced cataract — one that has been cloudy for many years — can occasionally lead to a condition called phacomorphic glaucoma, where the swollen lens pushes on the eye and raises pressure inside. This does cause pain and needs urgent treatment. This is rare and takes a long time to develop.
The main reason to address a cataract is to restore your vision and quality of life, not to prevent pain or emergency complications. Talk with your eye doctor about when surgery makes sense for you.
Pain after cataract surgery
Cataract surgery itself should not be painful. Your eye is numbed with anesthetic drops before the procedure. You may feel pressure or mild sensations, but not pain. If you feel sharp pain during surgery, tell your surgeon when ready.
After surgery, mild discomfort, grittiness, or a scratchy feeling is normal for a few days. Your eye may feel irritated as it heals. Your surgeon will give you antibiotic and anti-inflammatory drops to use at home.
Significant pain after surgery is not normal. Contact your eye doctor right away if you have severe pain, sudden vision loss, or increasing redness in the days after your procedure. These can signal infection or other complications that need prompt care.
Frequently Asked Questions
Can a cataract cause a headache?
A cataract itself does not cause headaches. However, straining to see through a cloudy lens can lead to eye strain and tension headaches. Improving your lighting, using stronger glasses, or having surgery can reduce this strain and the headaches that come with it.
Is it normal for my eye to hurt if I have a cataract?
No. Eye pain is not a symptom of a cataract. If your eye hurts, something else is causing it — dry eye, infection, glaucoma, or an injury. See your eye doctor to find out what is happening and get treatment.
Will my cataract get worse if I don't treat the pain?
Your cataract will not cause pain, so there is no pain to treat. If you have eye pain, that is a separate condition that needs attention. Your eye doctor can examine you to find out what is causing the pain and whether you also have a cataract.
Can I have a cataract and glaucoma at the same time?
Yes. Both conditions can occur in the same eye. Glaucoma can cause pain (especially acute glaucoma), while a cataract causes only vision changes. Your eye doctor checks for both during an exam and can treat them together if needed.
What should I do if my eye hurts and I know I have a cataract?
Call your eye doctor the same day. The pain is not from the cataract — it is from something else that needs diagnosis and treatment. Do not assume the pain is related to your cataract or that it will go away on its own.