Prescription and Advanced Care / Anti-Evaporative
MIEBO for Evaporative Dry Eye
MIEBO (perfluorohexyloctane) is a prescription eye drop that works differently from most. Instead of adding more moisture, it helps keep the tears you have from evaporating too fast. This page explains what MIEBO is, how it works, who it may be for, and how to talk with an eye doctor about it. Dry Eye Rescue does not sell or prescribe MIEBO. We help you understand it and connect with a doctor who can decide if it fits.
Key Takeaways
- MIEBO (perfluorohexyloctane) is a prescription eye drop that is FDA-approved for the signs and symptoms of dry eye disease.
- It works by forming a thin layer on the surface of the eye to slow tear evaporation, rather than by adding watery moisture.
- It was the first FDA-approved dry eye treatment that directly targets evaporation, which is a common driver of dry eye linked to meibomian gland dysfunction.
- It is water-free and preservative-free, taken as one drop in each eye four times a day, and contact lenses must be removed before use.
- MIEBO is a prescription, so it starts with an eye exam. Dry Eye Rescue does not sell or prescribe it. Use the Doctor Locator to find an eye care professional who can.
Quick Answer: What is MIEBO?
MIEBO is a prescription eye drop whose only ingredient is perfluorohexyloctane, a clear, water-free, preservative-free liquid. It spreads into a thin layer over the surface of the eye that helps slow how quickly your tears evaporate. Because excess evaporation is a leading cause of dry eye, and is often tied to meibomian gland dysfunction, MIEBO is an option an eye doctor may discuss when evaporation is a major part of your symptoms. It is FDA-approved for the signs and symptoms of dry eye disease and is used four times a day.
How MIEBO Works
Healthy tears have an oily outer layer that slows evaporation. In many people with dry eye, that layer is too thin or unstable, often because the eyelid oil glands are not working well, so tears evaporate before they should. This is called evaporative dry eye. MIEBO takes a different approach from traditional artificial tears. As a semifluorinated alkane, it forms its own thin, stable film across the surface of the eye that acts like a barrier against evaporation. Because it is water-free, the whole drop goes toward that protective layer rather than adding more water that can quickly run off or evaporate.
MIEBO is a semifluorinated alkane indicated for the signs and symptoms of dry eye disease, and it was the first FDA-approved treatment that works by directly targeting tear evaporation. Source: U.S. FDA prescribing information for MIEBO (perfluorohexyloctane ophthalmic solution).
MIEBO at a Glance
| Feature | Detail |
|---|---|
| Active ingredient | Perfluorohexyloctane (100%) |
| Type | Semifluorinated alkane, water-free and preservative-free |
| How it works | Forms a layer on the eye surface to slow tear evaporation |
| FDA-approved use | Signs and symptoms of dry eye disease |
| Availability | Prescription only, decided with an eye doctor |
| Typical dosing | One drop in each eye four times daily |
| Contact lenses | Remove before use, and wait at least 30 minutes to reinsert |
Who MIEBO May Be For
MIEBO is most often considered for people whose dry eye is driven by evaporation, which frequently overlaps with meibomian gland dysfunction. In its main clinical trials, every enrolled patient had clinical signs of meibomian gland dysfunction, which reflects how closely evaporation and gland problems are linked. That said, dry eye has many causes, and only an eye care professional can tell whether evaporation is the main issue for you and whether MIEBO fits alongside the rest of your routine.
In the pivotal GOBI and MOJAVE trials supporting MIEBO, all enrolled patients had clinical signs of meibomian gland dysfunction, the gland problem behind much evaporative dry eye. Source: manufacturer trial data and U.S. FDA materials for MIEBO.
How MIEBO Is Used
MIEBO is taken as one drop in each affected eye, four times a day. It comes in a small multi-dose bottle and does not need refrigeration. Because it is not meant to be used while wearing contact lenses, lenses should be removed before each dose and not put back in for at least 30 minutes. If you use other eye drops as well, your doctor can tell you how to space them. As with any prescription, follow the schedule your eye care professional gives you, and do not start or stop it on your own.
What to Expect and Safety
MIEBO is generally well tolerated. The most common eye-related side effect reported in its studies was blurred vision, which was usually mild and brief. It should not be used by anyone with a known allergy to perfluorohexyloctane. Like any medication, it can affect people differently, so your doctor will weigh the benefits and any risks for your situation and follow up on how you respond. This page is educational, and the manufacturer's prescribing information and your doctor are the right sources for complete safety details.
The most common ocular adverse reaction reported in MIEBO's clinical trials was blurred vision. Source: U.S. FDA prescribing information for MIEBO (perfluorohexyloctane ophthalmic solution).
How MIEBO Fits With the Rest of Your Routine
A prescription like MIEBO usually works best as one part of a fuller plan. Because evaporative dry eye is so often tied to the eyelid oil glands, many people also use warm compresses and lid care to support those glands, preservative-free drops for extra comfort, and omega support where appropriate. Your eye doctor can tell you which of these belong alongside MIEBO for you.
MGD and Heat Therapy
Warm compresses and lid care support the oil glands behind evaporative dry eye.
Preservative-Free Drops
Gentle, preservative-free lubrication for added daytime comfort.
Omega Support
Omega-3 supplements are sometimes suggested as part of a broader routine.
Dry Eye Rescue Tip
MIEBO targets evaporation, so it pairs naturally with steps that keep your eyelid oil glands healthy. If your doctor prescribes it, keeping up a simple warm compress and lid hygiene routine can support the same goal from a different angle. Ask your eye care professional how to combine them and how to space MIEBO with any other drops you use.
Find a Dry Eye Specialist Near You
MIEBO is a prescription, so it starts with an exam. Dry Eye Rescue works with a network of over 5,000 eye care professionals. Use the Doctor Locator to find a specialist near you, or take the DryEye Q assessment to prepare for your visit.
Important Disclaimer
This page is educational and does not replace medical advice from your eye care professional or healthcare provider. It does not recommend any specific prescription medication. Dry Eye Rescue does not sell, dispense, or prescribe MIEBO or any prescription treatment. Decisions about starting, stopping, or changing any medication should be made only with a licensed eye doctor after an examination. Descriptions reflect FDA-approved labeling at the time of writing and may change; always refer to the current prescribing information and your doctor's guidance. MIEBO and Bausch + Lomb are trademarks of their respective owners.
Frequently Asked Questions
What is MIEBO?
MIEBO is a prescription eye drop made of perfluorohexyloctane. It is FDA-approved for the signs and symptoms of dry eye disease and works by slowing how fast your tears evaporate.
How does MIEBO work?
It forms a thin, stable layer over the surface of the eye that acts as a barrier against evaporation. Because it is water-free, the whole drop goes toward that protective layer instead of adding water that quickly runs off.
Is MIEBO a prescription?
Yes. MIEBO is available only by prescription, so it starts with an eye exam. Dry Eye Rescue does not sell or prescribe it. We can help you find a doctor in our network who can decide whether it fits.
Who might MIEBO be for?
It is most often considered when evaporation is a main driver of dry eye, which frequently overlaps with meibomian gland dysfunction. Only an eye doctor can confirm whether that describes your dry eye.
How is MIEBO used?
The usual dose is one drop in each affected eye four times a day. Follow the exact schedule your eye care professional gives you, and do not start or stop it on your own.
Can I use MIEBO with contact lenses?
Not while the lenses are in. Remove contact lenses before each dose and wait at least 30 minutes before putting them back in.
What are the common side effects?
The most common eye-related side effect reported in studies was blurred vision, which was usually mild and brief. Your doctor and the prescribing information are the right sources for complete safety details.
Can I use other drops along with MIEBO?
Often yes, but timing matters. Many people keep using preservative-free drops or other supportive products, and your eye doctor can tell you how to space them around MIEBO.
How do I find a doctor who can prescribe MIEBO?
Use the Dry Eye Rescue Doctor Locator to find an eye care professional near you from our network of over 5,000 providers. The official MIEBO site also offers a find-a-doctor tool. Taking the DryEye Q first can help you prepare for the visit.
Talk to a Doctor About MIEBO
MIEBO is a prescription, so it starts with an exam. Find an eye care professional near you, prepare with the DryEye Q, or see all prescription options.
