Glaucoma rarely announces itself. There is no pain, no redness, and no blurry patch at the start. By the time most people notice that something is off, a good part of the side vision has already gone, and that loss cannot be brought back. The one measurement that can raise an early flag is the pressure inside your eye, and it takes only a few minutes to check.
At Complete Eye Care, we offer a painless eye pressure test in Gurgaon as part of a regular eye check up or as a separate glaucoma screening. The test is done under the guidance of Dr. Parul Sony (MD, AIIMS; FRCS), who has over 25 years of experience in ophthalmology, at our centre in Eros City Square, Sector 49-50.
What Is an Eye Pressure Test?
An eye pressure test measures the fluid pressure inside your eye, known as intraocular pressure (IOP). Doctors also call it a tonometry test.
Your eye makes a clear fluid all the time. This fluid feeds the inner parts of the eye and then drains out through a tiny channel near the edge of the cornea. When production and drainage stay in balance, the pressure stays steady. When the drainage slows down, the fluid builds up, and the pressure rises. Over months or years, that pressure can damage the optic nerve, the cable that carries images from your eye to your brain. This damage is what we call glaucoma.
A typical IOP reading falls between 10 and 21 mmHg. But a number alone doesn’t tell the whole story. Some people with readings in the normal range still develop glaucoma, and some people with slightly high readings never do. That is why your doctor looks at the pressure along with the optic nerve, the corneal thickness and the visual field before reaching a conclusion.
Who Needs an Eye Pressure Check?
Many people assume this test is only for the elderly. In reality, a pressure check makes sense for a wider group. Book one if:
● You are above 40 and have never had your eye pressure measured
● A parent, brother or sister has glaucoma
● You have diabetes or high blood pressure
● You are highly short-sighted (high minus power)
● You have used steroid eye drops, tablets, inhalers or creams for a long time
● You have had an eye injury or eye surgery in the past
● You have been told you have thin corneas or “suspicious” optic nerves
● You are on treatment for glaucoma and need regular monitoring
If you have a family history of glaucoma, don’t wait until 40. Your risk starts earlier, and so should your check-ups.
Types of Eye Pressure Tests We Use
There is more than one way to measure eye pressure. The right method depends on your age, your comfort, and what your doctor needs to know.
Goldmann applanation tonometry. Eye doctors consider this the most reliable method. After a drop of numbing medicine and a harmless yellow dye, a small probe lightly touches the front of the eye. You feel pressure at most, not pain. This is the test we lean on when an accurate number matters, such as when glaucoma is suspected or being followed.
Non-contact tonometry (air puff test). A machine sends a gentle puff of air onto the eye and measures how the cornea responds. Nothing touches the eye. It is quick and useful for screening, and many people find it easier, though the puff can make you blink. Readings from an air puff can differ slightly from applanation, so a high result is usually double-checked.
Rebound or handheld tonometry. A very light probe touches the cornea for a fraction of a second. This works well for children, older patients who find it hard to sit at the machine, and anyone who can’t take the air puff comfortably. [Confirm which of these methods your clinic uses and edit this section to match.]
What Happens During Your Visit
The whole process is calm and unhurried. Here is what to expect.
Step 1: A few questions. We ask about your eyes, your general health, any medicines you take and whether glaucoma runs in your family.
Step 2: Vision and basic check. We check how well you see and look at the front of the eye.
Step 3: The pressure measurement. Depending on the method, you will either sit at the machine and feel a small puff of air, or receive a numbing drop before the gentle probe check. Each eye takes under a minute.
Step 4: Further tests if needed. If your pressure is high, borderline, or your optic nerve looks unusual, the doctor may advise additional tests. These can include pachymetry (measuring corneal thickness), OCT of the optic nerve, a visual field test and gonioscopy (looking at the drainage angle).
Step 5: A clear answer. You get your reading, what it means for you, and what to do next. If everything is fine, we tell you when to come back. If not, we explain the options without hurrying you into anything.
The test itself is painless. You can drive home, go to work and carry on with your day afterwards. If the doctor puts drops in your eyes for any extra test, you may be told to avoid driving for a short while, so arrange for someone to come with you if you are asked to.
Why Corneal Thickness Matters
Here is something many people never hear about. The thickness of your cornea can change your pressure reading. A thin cornea can make the pressure look lower than it really is, and a thick cornea can make it look higher. Two people with the same reading on the machine can have very different true pressures.
This is why, if your doctor suspects glaucoma, a pachymetry test is often added. It takes seconds, doesn’t hurt, and helps the doctor read your result correctly.
Eye Pressure Test and Glaucoma: How They Connect
A high reading doesn’t mean you have glaucoma, and a normal reading doesn’t rule it out. The pressure test is one piece of the picture.
● Ocular hypertension: pressure is higher than usual, but the optic nerve is healthy. You are watched closely, and sometimes treated, to lower the risk.
● Open-angle glaucoma: the most common type. Pressure rises slowly, with no symptoms for years.
● Angle-closure glaucoma: the drainage channel gets blocked, sometimes suddenly. This can cause severe eye pain, headache, nausea, halos around lights and blurred vision, and needs urgent treatment.
● Normal-tension glaucoma: the optic nerve is damaged even though the pressure stays in the usual range.
The good news is that glaucoma found early can usually be kept under control with drops, laser or surgery, and your remaining sight can be protected. What we can’t do is bring back vision that has already been lost. This is the main reason a quick pressure check is worth your time.
How Often Should You Get Your Eye Pressure Checked?
● Under 40 with no risk factors: during a routine eye check up every two years
● 40 to 60: once a year
● Above 60: once a year, or as your doctor advises
● Family history, diabetes, high myopia or steroid use: once a year, starting earlier
● Already diagnosed with glaucoma: every 3 to 6 months, or on the schedule your doctor sets
Warning Signs You Shouldn’t Ignore
Most glaucoma has no symptoms, but see an eye specialist without delay if you notice:
● Gradual loss of side vision, or bumping into things
● Halos or rainbow rings around lights
● Frequent headaches with eye strain
● Needing to change your glasses power again and again
Urgent: Severe eye pain, a red eye, sudden blurred vision, nausea or vomiting together can mean an attack of angle-closure glaucoma. Go to an eye hospital immediately.
Why Choose Complete Eye Care for Your Eye Pressure Test in Gurgaon
An experienced glaucoma care team. Dr. Parul Sony leads a team of over 10 eye specialists, including those who focus on glaucoma, cornea, retina and cataract.
Everything under one roof. If your pressure test shows a problem, you don’t need to run to another clinic. Pachymetry, OCT, visual field testing and treatment are available with the same team, and your records stay together.
Trusted by many families. More than 29,000 patients have been treated at our Gurgaon centre.
Clear, honest advice. We explain your numbers in plain words, and we recommend treatment only when it is needed.
How to Book Your Eye Pressure Test
1. Call (+91) 9868836263 or message us on WhatsApp at 8130936096
2. Tell us if you are coming for a pressure check only, or a full eye check up
3. Pick a day and time that suits you
4. Bring your old glasses, any previous eye reports, and a list of your current medicines