““Fundus” and “fungus” sound almost the same, but one is a quiet routine check-up and the other can threaten your sight. It’s worth knowing which is which.”
What is a fundus examination?
A fundus examination is simply a good, careful look at the fundus — the back of your eye, where the retina, macula, optic nerve and blood vessels live. We put in a drop to widen your pupil (it takes about 30 minutes to work), then use a bright light and a special lens to see right inside. It doesn’t hurt, it’s over in a few minutes, and it tells us a great deal — because it can spot trouble at the back of the eye long before you would ever feel it. You might also hear it called a fundus checkup, a dilated fundus exam, or fundoscopy.
Fundus or fungus? The word people mix up
Here’s something we see all the time: people type “fungus” when they really mean “fundus.” The two sound almost identical, so searches like “fungus eye examination,” “fungus in the eye,” or “fungus eye care” are usually just a small spelling slip for fundus. If all you want is a routine check of the back of your eye, the word you’re after is fundus examination — and you’re in the right place.
There is one catch worth knowing, though: a fungal eye infection is a real thing too, and a serious one. So it helps to be sure which you mean:
| What you may have typed | What it usually means | What to do |
|---|---|---|
| Fundus examination / fundus checkup | A routine, painless look at the back of the eye (retina & macula) | Book a normal eye examination |
| Fungus eye examination / fungus checkup | Almost always a misspelling of fundus examination | Book a fundus (retina) examination |
| Fungus in the eye / eye fungus / fungal infection | A genuine fungal eye infection (fungal keratitis) | See an eye doctor urgently |
When “fungus in the eye” is real — and needs quick attention
Sometimes “fungus in the eye” isn’t a typo at all. A fungal eye infection — doctors call it fungal keratitis — is a genuine infection of the surface of the eye, and it can threaten your sight if it is left alone. In India we see it more often than you might think, usually after the eye is hurt by plant matter, dust or something organic, during farm or field work, or from not looking after contact lenses properly.
Please get your eye checked quickly if you notice:
- an eye that stays red and painful
- watering and real discomfort in bright light
- vision that is blurring or slipping
- a whitish or grey spot on the clear front of the eye (the cornea)
If that sounds like you, don’t wait, and don’t reach for old leftover drops. A fungal infection can get worse fast. Seen early, it can be diagnosed here in the clinic and treated with the right antifungal medicines — and the sooner that starts, the better the chance of protecting your vision.
What happens during a fundus examination?
There is nothing to be nervous about. In short:
- First, a vision check — we measure how well each eye sees.
- Then a dilating drop — it widens the pupil so we can see inside, and takes around 30 minutes to work.
- Then the look itself — with a bright light and a special lens, we check the retina, macula, optic nerve and blood vessels. Nothing touches your eye.
- Afterwards — your near vision stays blurry and lights look glary for a few hours, so it is a good idea to bring sunglasses and let someone else drive home.
In those few minutes we can pick up diabetic retinopathy, macular degeneration, retinal tears or detachment, glaucoma damage and even early signs of high blood pressure — often well before they cause any symptoms. It is the very same examination we describe on our Retina & Macula (fundus) examination page.
Who should have a fundus examination?
Honestly, everyone benefits from a dilated eye check now and then. But please don’t put it off if you:
- have diabetes or high blood pressure
- are very short-sighted (strong minus glasses)
- have a family history of retinal disease or glaucoma
- notice floaters, flashes of light, or a shadow or curtain across your vision
- are 40 or older and haven’t had your eyes checked in a while
This guide is here to help you understand your eyes — it isn’t a substitute for being examined in person. If you have eye pain, redness, a sudden change in vision, or any sign of infection, please contact us or see an eye doctor without delay.