Questions to Ask When Glaucoma Treatment Is Not Controlling Eye Pressure

When glaucoma treatment is working, visits can feel almost routine. The pressure is measured, the optic nerve is checked, medications are renewed, and the plan continues. When eye pressure remains above target despite treatment, the tone of glaucoma follow-up changes. The conversation becomes more nuanced, and the questions become more important.

Glaucoma is not managed by pressure alone, but eye pressure remains the only proven modifiable risk factor in most forms of the disease. If pressure is higher than planned, fluctuating widely, or still causing progression despite apparently acceptable numbers, the treatment plan deserves a careful review. That does not always mean something has gone wrong. It may mean the eye has changed, the original target pressure is no longer low enough, the medication is not being absorbed as expected, or the disease is more aggressive than it first appeared.

Patients often arrive at this point with frustration. They are using drops, sometimes several bottles a day. They may have had laser treatment or surgery. They may be doing everything they were told to do and still hear, “Your pressure is too high.” That is a difficult sentence to absorb. It can feel like failure, even when it is not.

The best response is not panic. It is a structured conversation. The right glaucoma treatment questions can help you and your doctor separate simple, fixable issues from problems that require a major change in care.

First, clarify what “not controlled” really means

The phrase “not controlling eye pressure” can mean several different things. One patient may have pressure that remains above a target number at every visit. Another may have acceptable office readings but worsening optic nerve tests. A third may have pressure that spikes at certain times of day. These are not the same problem, and they do not always have the same solution.

A useful first question is: “What is my target pressure, and why was that number chosen?” Target pressure is usually an estimate based on the severity of glaucoma, starting pressure, corneal thickness, age, life expectancy, rate of progression, and other risk factors. It is not a fixed law of nature. A person with early glaucoma may be safely managed at a higher pressure than someone who has already lost substantial side vision. In advanced glaucoma, a few points of pressure can matter a great deal.

For example, a patient whose untreated pressure was 28 mmHg and now measures 17 mmHg may seem improved. That is a strong percentage reduction. But if their visual field continues to worsen, 17 may not be low enough for that optic nerve. Another patient may have pressure of 21 mmHg and remain stable for years because their optic nerve tolerates that level. Context matters.

Ask whether the concern is based on one high reading or a pattern. A single pressure measurement can be influenced by time of day, stress, recent caffeine intake, missed drops, measurement technique, or corneal properties. Repeated high measurements carry more weight. A careful clinician will look at the trend rather than one number alone, especially before recommending surgery.

It is also reasonable to ask how your pressure is being measured. Goldmann applanation tonometry, the blue-light instrument used at many ophthalmology practices, remains a standard method. Other devices can be useful but may not match exactly. If a pressure reading seems surprising, repeating the measurement can be worthwhile. I have seen decisions postponed after a second check showed a reading several points lower than the first, often because the patient was squeezing their eyelids or holding their breath during the measurement.

Ask whether the diagnosis and glaucoma type are still accurate

Not all glaucoma behaves the same way. Open-angle glaucoma, angle-closure glaucoma, normal-tension glaucoma, pseudoexfoliative glaucoma, pigmentary glaucoma, steroid-induced glaucoma, uveitic glaucoma, and neovascular glaucoma each have different drivers. A treatment that is reasonable for one type may be incomplete for another.

One of the most important glaucoma treatment questions is: “Are we certain about the type of glaucoma I have?” This is not a challenge to the doctor’s competence. It is a practical request to revisit the foundation of the plan, especially if treatment is not achieving the expected result.

Angle anatomy is a common example. If the drainage angle is narrow or intermittently closing, drops alone may not address the underlying mechanism. The doctor may need to perform gonioscopy, which is an office examination using a mirrored lens to inspect the drainage angle. Patients sometimes assume every glaucoma visit includes this, but it may be done periodically rather than every time. If pressure control is poor, it is fair to ask when the angle was last examined.

Secondary causes also deserve attention. Steroid medications can raise eye pressure in susceptible people. This includes steroid eye drops, nasal sprays, inhalers, skin creams used around the eyelids, joint injections, and oral steroids. Some patients do not think to mention these because they were prescribed by another clinician. Eye inflammation, old trauma, pigment release, exfoliation material, and abnormal blood vessels can also make pressure harder to control.

A glaucoma specialist may be especially helpful when the diagnosis is uncertain, the disease is progressing quickly, or several treatments have failed. General ophthalmologists manage many glaucoma patients very well, particularly early or moderate cases. But difficult pressure control is one of the situations where subspecialty input can change the plan.

Review whether the medication is actually reaching the eye

When drops do not lower pressure as expected, doctors often add another bottle. Sometimes that is necessary. But before escalating, it is worth asking a more basic question: “Can we review exactly how I am using my drops?”

This conversation should be specific. “I use them every day” does not always mean the medication is getting into the eye at the right dose and time. Some patients miss the eye and do not realize it. Some touch the bottle tip to the eyelashes, which can contaminate the bottle. Some put in several drops at once, thinking more is better, when the eye can only hold a small volume. Others take two different drops back-to-back, washing the first one out before it has time to absorb.

A practical review can reveal fixable problems. One patient with “uncontrolled” pressure brought her drops to the visit and demonstrated her technique. She tilted her head, squeezed hard, blinked rapidly, and most of the drop rolled down her cheek. No one had ever watched her do it. After coaching and a change to a bottle she could squeeze more easily, her pressure improved enough to avoid adding a fourth medication.

Timing matters too. Some glaucoma drops are intended once daily, often in the evening. Others are taken twice or three times daily. A medication prescribed twice daily generally works best when doses are spaced roughly 12 hours apart, not taken at breakfast and lunch. If your daily schedule makes the prescribed timing unrealistic, say so. The “best” medication on paper is not the best medication if it does not fit a real life.

Preservatives can complicate matters. Many glaucoma drops contain benzalkonium chloride, a preservative that can irritate the ocular surface in some patients. Burning, redness, tearing, and foreign body sensation can reduce adherence. A person may start skipping drops because they dread the discomfort, then feel embarrassed to admit it. Preservative-free formulations, different drug classes, laser options, or surgery may become more appealing when the surface of the eye is suffering.

A concise medication review during glaucoma follow-up can include these questions:

1. What is each drop supposed to do, and when should I take it?
2. Could any of my drops be interfering with another if I use them too close together?
3. Are side effects, preservatives, or bottle design making adherence harder?
4. Should I use punctal occlusion or eyelid closure after drops to improve absorption and reduce systemic exposure?
5. Is there a simpler regimen that would give similar or better pressure control?

That last question is often overlooked. More bottles do not always equal better control. Complexity can quietly defeat good intentions.

Consider whether the eye pressure fluctuates outside office hours

Most eye pressure is measured during clinic hours, usually during the day. Glaucoma, however, does not keep office hours. Some patients have pressure peaks early in the morning, at night, or at times that are rarely captured during routine visits.

If your optic nerve is worsening despite reasonable office readings, ask: “Could my pressure be spiking when we are not measuring it?” This is particularly relevant when visual field tests or optic nerve OCT scans show progression that does not match the pressure readings in the chart.

There are limits to what can be measured easily. Some practices may schedule pressure checks at different times of day. A few centers use specialized monitoring tools, though these are not universally available and may not directly replace standard pressure measurements. The broader point is that a single 10 a.m. Reading every few months may not tell the whole story.

Body position can also influence pressure. Eye pressure is often higher when lying down than sitting upright. Sleep apnea has been associated with glaucoma progression in some patients, though the relationship is complex and not simply a pressure story. Blood pressure patterns, especially very low nighttime blood pressure, may matter in certain patients with normal-tension glaucoma. These issues do not mean everyone with glaucoma needs a sleep study or a vascular workup. They do mean the conversation should widen when the disease behaves unexpectedly.

Reassess whether the optic nerve is truly getting worse

High pressure is concerning because it increases the risk of optic nerve damage. But treatment decisions should also consider whether damage is progressing. That requires reliable testing.

Visual field tests are valuable, but they are not perfect. Fatigue, distraction, dry eyes, poor lens positioning, misunderstanding the test, and natural variability can affect results. A single worse visual field may not prove progression. Repeated changes in the same area are more convincing. Optical coherence tomography, often called OCT, can measure thinning of the retinal nerve fiber layer and ganglion cell complex, but it also has artifacts. Cataract, poor scan quality, segmentation errors, high myopia, and advanced disease can complicate interpretation.

A direct question can help: “What evidence shows that my glaucoma is progressing?” The answer should connect pressure readings, optic nerve appearance, OCT findings, visual field results, and the reliability of those tests. If the answer is unclear, it may be appropriate to repeat testing before making irreversible decisions, unless the pressure is dangerously high or the optic nerve is at immediate risk.

Progression also needs a time frame. Slow change over ten years is different from measurable loss over six months. Age and baseline severity matter. A 45-year-old with moderate glaucoma and documented progression faces a different lifetime risk than an 88-year-old with mild, stable disease. Good eye disease management accounts for both the biology of the disease and the person living with it.

Ask whether the target pressure should be lowered

When glaucoma progresses despite treatment, the target pressure may need to change. A common and sensible question is: “Given my recent tests, should my target pressure be lower than before?”

Doctors often set an initial target as a percentage reduction from baseline. In many clinical situations, a reduction of 20 to 30 percent may be an early goal, while more advanced disease may require lower pressures. These figures are not universal rules. Some eyes need pressures in the low teens or even lower to remain stable. Others remain stable at higher levels.

Lowering the target pressure usually means accepting more treatment burden or more risk. Adding medication may increase side effects and cost. Laser may help but may not last permanently. Surgery can lower pressure more dramatically, but it brings risks that drops do not. The decision is rarely just “lower is better.” It is “how much lower, by what method, with what risk, for this patient?”

This is where a glaucoma specialist can provide detailed judgment. Subspecialists think constantly about target pressures, progression rates, and procedure selection. They also see enough complex cases to recognize when a plan is too cautious or too aggressive.

Discuss laser treatment with realistic expectations

Selective laser trabeculoplasty, commonly called SLT, is often used for open-angle glaucoma or ocular hypertension. It treats the drainage tissue inside the eye to improve outflow and reduce pressure. For some patients, it works well enough to reduce dependence on drops. For others, the effect is modest or fades over time.

If drops are not controlling pressure, ask: “Am I a candidate for laser, and what pressure reduction would be realistic in my case?” The expected benefit depends partly on starting pressure. Eyes with higher baseline pressure often show a larger numerical drop. If pressure is already in the mid-teens and the target is very low, laser alone may not be enough.

SLT is generally considered low risk, but it is still a procedure. Temporary inflammation, brief pressure spikes, discomfort, or limited response can occur. Some patients need to continue drops afterward. Others may need repeat laser later, depending on response and the doctor’s judgment.

For angle-closure disease, laser peripheral iridotomy may be used to create a small opening in the iris and relieve pupillary block. That is a different laser procedure for a different mechanism. In some angle-closure cases, cataract or lens extraction plays a larger role in opening the angle. This is why confirming the type of glaucoma matters before assuming which laser applies.

When surgery enters the conversation

Surgery for glaucoma is not a single category. Procedures vary widely in how much pressure lowering they can achieve and how much risk they carry. Minimally invasive glaucoma surgeries, often called MIGS, can be helpful for selected patients, especially when combined with cataract surgery, but they may not lower pressure enough for advanced glaucoma. Trabeculectomy and tube shunt surgery can achieve lower pressures, but they require closer postoperative care and carry more significant risks. Newer devices and procedures continue to evolve, but the central trade-off remains: stronger pressure lowering usually comes with greater complexity.

The key question is not simply, “Do I need surgery?” A better version is: “What pressure do we need to reach, and which procedure is most likely to get me there safely?” This frames surgery as a tool for a specific goal rather than a generic next step.

It is also important to ask about postoperative follow-up. Some glaucoma surgeries require frequent visits in the first weeks after the procedure. Drops may change. Activity restrictions may apply. Vision can fluctuate while the eye heals. A patient who lives far from the clinic, has limited transportation, or cares for a spouse at home needs to plan for this. Good surgical counseling includes the medical details and the practical ones.

Cataract status can influence the plan. Cataract surgery alone can lower pressure in some eyes, especially in certain angle-closure situations, but the effect varies. Combining cataract surgery with a glaucoma procedure may make sense when a cataract is visually significant and pressure needs improvement. In other cases, glaucoma surgery may need to come first. These decisions are individualized.

A short set of surgery-focused questions can keep the discussion grounded:

1. Is my glaucoma mild, moderate, or advanced, and how does that affect the procedure choice?
2. What pressure range are we trying to achieve after surgery?
3. What are the main risks in my specific eye, not just in general?
4. How often will I need visits during the first month after surgery?
5. If this procedure does not lower pressure enough, what would the next option be?

Patients sometimes hesitate to ask the last question because it sounds pessimistic. In practice, it is one of the most mature questions you can ask. It helps you understand the larger strategy.

Look closely at other medications and health conditions

Eye pressure can be affected by medications used for other conditions. Steroids are the classic example, but the route may not be obvious. A patient may deny steroid eye drops but use a steroid inhaler twice daily for asthma, receive periodic steroid injections for back pain, and apply a dermatology cream near the eyes. In susceptible individuals, these exposures can matter.

Ask your eye doctor whether any non-eye medications could be contributing. Bring an updated medication list, including over-the-counter products and supplements. Do not stop prescribed medications on your own, especially steroids, but make sure all your clinicians understand the glaucoma issue.

General health can influence glaucoma management as well. Diabetes, high blood pressure, low blood pressure, migraine, Raynaud phenomenon, sleep apnea, and cardiovascular disease may shape risk in some patients. The strength of association varies, and not every condition requires a change in glaucoma treatment. Still, a patient with progressive normal-tension glaucoma and symptoms of sleep apnea deserves a different conversation from a patient with straightforward ocular hypertension.

Pregnancy, breastfeeding, kidney disease, lung disease, heart rhythm problems, and medication allergies can also affect which drops are safe. Beta-blocker eye drops, for example, may not be ideal for some patients with asthma, chronic obstructive pulmonary disease, slow heart rate, or certain heart block histories. Alpha agonists and carbonic anhydrase inhibitors have their own cautions. Prostaglandin analogs can change eyelash growth and may darken the iris or eyelid skin in some patients. These details do not mean the medications are unsafe for everyone. They mean the plan should fit the person.

Ask about cost, access, and pharmacy substitutions

A treatment plan can fail at the pharmacy counter. If a medication costs hundreds of dollars, is often out of stock, or requires repeated prior authorizations, adherence suffers. Patients may stretch drops to make them last longer or skip doses near the end of the month. Some are switched between generic manufacturers and notice different bottle designs, drop sizes, or tolerability.

It is appropriate to say, “I am having trouble getting or affording this medication.” Doctors cannot fix barriers they do not know about. Sometimes there is a lower-cost alternative in the same class. Sometimes a laser procedure becomes more attractive because long-term drop access is unreliable. Sometimes the office can help with prior authorization, though this process is often slower than anyone wants.

Insurance formularies can drive medication choices in ways that frustrate both patients and physicians. A prescribed drop may be medically reasonable but not covered until other agents are tried first. If pressure is not controlled because the preferred medication was never obtained, that is not treatment failure in the biological sense. It is a systems problem, and it needs to be named.

Know when urgency is warranted

Most glaucoma management decisions unfold over weeks to months, but some situations require faster action. Very high pressure, eye pain, halos around lights, nausea, sudden blurred vision, a red eye, or rapid vision change should not wait for a routine appointment. Acute angle closure and certain secondary glaucomas can threaten vision quickly.

Even in chronic glaucoma, advanced disease changes the margin for error. If only a small central island of vision remains, pressure elevations that might be tolerated briefly in early glaucoma can be more dangerous. Patients with advanced glaucoma should understand whom to call after hours, which symptoms are urgent, and how quickly follow-up should occur after a medication change or procedure.

A good question is: “At what pressure level or with what symptoms should I contact you immediately?” The answer may differ by patient. Someone with mild ocular hypertension may receive different instructions from someone with severe glaucoma in their only seeing eye.

The value of a second opinion

Seeking a second opinion does not mean abandoning your doctor. It can be a constructive step when pressure remains uncontrolled, progression continues, or surgery is being considered. A second glaucoma specialist may confirm the current plan, suggest a different target pressure, identify a secondary cause, or recommend another procedure.

Bring records if you seek another opinion. Pressure history, visual field printouts, OCT reports, optic nerve photos, surgical notes, laser dates, medication history, and allergy information all help. Without prior data, the consultant sees only a snapshot. Glaucoma is a longitudinal disease. The story matters.

Patients sometimes worry their doctor will be local eye doctor offended. Most experienced clinicians understand the stakes. Vision loss from glaucoma is usually irreversible, and major treatment decisions deserve confidence. A professional second opinion can strengthen the treatment plan, even when it does not change it.

Making the visit more productive

When pressure is not controlled, the appointment can feel crowded. There may be test results to review, medications to adjust, and procedures to discuss. It helps to arrive prepared, not with a long speech, but with clear information.

Bring your drops to the visit. Actual bottles reveal more than memory: the medication name, concentration, cap color, expiration date, and how much is left. If you use drops at inconsistent times, say so plainly. If you stopped one because it burned or caused fatigue, say that too. Doctors are used to these problems. Honest information prevents misguided escalation.

Ask for your diagnosis in specific terms. “Glaucoma” is a broad label. Knowing whether you have primary open-angle glaucoma, narrow angles, pseudoexfoliation, pigment dispersion, normal-tension glaucoma, or another form helps you understand why certain treatments are recommended.

Also ask for the severity in each eye. Many patients have asymmetric disease. One eye may be mild and the other advanced. Treatment intensity may differ between eyes, and the more damaged eye often drives the urgency of care.

Finally, do not leave without knowing the next checkpoint. If a drop is added, when will pressure be rechecked? If surgery is deferred, what test result would change that decision? If laser is performed, when will the response be judged? Glaucoma follow-up works best when each visit has a purpose.

A practical way to frame the conversation

When treatment is not controlling eye pressure, the central issue is not whether to add one more intervention. The central issue is whether the treatment plan still matches the disease. That means confirming the diagnosis, checking adherence and technique, reassessing target pressure, looking for progression, considering pressure fluctuation, and weighing the realistic benefits and risks of laser or surgery.

The best conversations are direct but collaborative. You might say, “I understand my pressure is still above target. Can we step back and review why, what target we are aiming for, and what options are most likely to get me there?” That single question opens the door to a more complete discussion than simply asking for another drop.

Glaucoma care often lasts decades. Plans change as eyes change, technology changes, and life circumstances change. A person who could manage four daily drops at age 58 may struggle at 78 because of arthritis, memory issues, cost, or dry eye. A patient who was stable for years may begin progressing and need a lower target. Another may undergo cataract surgery and become eligible for a combined approach that was not relevant earlier.

Uncontrolled pressure is not a verdict. It is a signal. Sometimes it points to technique. Sometimes to biology. Sometimes to access. Sometimes to the need for a glaucoma specialist and a more aggressive plan. The goal is to preserve vision with the least burden and risk necessary, while recognizing that undertreatment has its own cost.

The most important glaucoma treatment questions are the ones that turn a vague concern into a specific plan: What is my target pressure? Is my glaucoma progressing? Are we sure about the type? Are my drops reaching the eye? Could pressure be spiking outside office hours? Should laser or surgery be considered now? What happens if the next step does not work?

Those questions do more than gather information. They help you participate in eye disease management in a way that is practical, informed, and focused on the outcome that matters most: protecting usable vision for the years ahead.

Opticore Optometry Group, PC - BREA, CA

2500 E Imperial Hwy, Ste 196, Brea, CA 92821

Phone: (657) 445-2160

Website: opticoreyegroup.com/brea-ca.html