Yes, a detached retina is a medical emergency. The light-sensitive cells in your retina begin dying within 12 hours of separating from the tissue that nourishes them, and that cell death peaks at two to three days. Getting to an eye doctor or emergency room quickly is the single most important factor in saving your vision.
Why Every Hour Matters
Your retina sits at the back of your eye and converts light into the signals your brain reads as vision. It depends entirely on the tissue behind it for oxygen and nutrients. When the retina pulls away from that layer, those light-sensing cells lose their blood supply and start to die through a process that begins almost immediately and accelerates over the following days.
The longer the retina stays detached, the more it peels away from the back of the eye. Once those cells die, no surgery can bring them back. The central part of the retina, called the macula, is responsible for sharp, detailed vision. Whether the macula is still attached at the time of surgery is the biggest predictor of how well you’ll see afterward. A 10-year study published in the journal Eye found that 93% of patients whose macula was still attached at the time of repair achieved vision good enough to drive, compared to 65% of patients whose macula had already detached.
Symptoms You Shouldn’t Ignore
A detached retina is painless, which is part of what makes it dangerous. People sometimes assume the symptoms will pass. They won’t. Watch for:
- A sudden increase in floaters: dark spots, threads, or cobwebs drifting across your vision
- Flashes of light: brief flickers or streaks, often in your peripheral vision, caused by the retina being tugged
- A shadow or curtain: a dark area creeping in from the side, top, or bottom of your visual field
- A sudden blur: a noticeable drop in sharpness in one eye
Any one of these symptoms, especially if it appears suddenly, warrants an immediate trip to an eye doctor or emergency room. You do not need all of them to be present.
Three Types, Different Causes
Not all retinal detachments happen the same way, but all three types are emergencies.
Rhegmatogenous detachment is the most common type. It starts with a small tear or hole in the retina. The gel-like fluid that fills the center of your eye seeps through that opening, gets behind the retina, and pushes it away from the back wall. Aging is the primary cause. As you get older, the gel inside your eye shrinks and can tug on the retina hard enough to tear it.
Tractional detachment happens when scar tissue on the retina contracts and physically pulls it loose. The most common cause is diabetic retinopathy, where damaged blood vessels create scar tissue on the retinal surface. As those scars grow, they exert enough force to peel the retina away.
Exudative detachment involves fluid building up behind the retina without any tear. Leaking blood vessels or inflammation push the retina forward. Causes include eye injuries, age-related macular degeneration, tumors, and inflammatory eye diseases.
Who Is Most at Risk
Retinal detachment can happen at any age, but certain factors raise your odds significantly. People with high myopia (nearsightedness of negative 5 diopters or more) face a risk five to six times greater than people with mild nearsightedness. High myopia stretches the eyeball and thins the retina, making tears more likely.
Previous eye surgery, particularly cataract removal, also increases risk. People with high myopia are already 17% more likely to need cataract surgery, which compounds their exposure. A history of retinal detachment in one eye, a family history of the condition, and serious eye injuries all raise the likelihood as well.
How It’s Diagnosed
An eye doctor can usually identify a detachment with a dilated eye exam, using a bright light and magnifying lenses to view the retina directly. This lets them see any tears, holes, or areas of detachment. If there’s bleeding inside the eye that blocks the view, an ultrasound of the eye can map the retina’s position instead.
What Surgery Looks Like
Three main procedures are used to reattach the retina, and your surgeon will choose based on the type, location, and severity of the detachment.
Pneumatic retinopexy is the least invasive option. The surgeon injects a small gas bubble into the eye and uses laser or freezing therapy to seal the retinal tear. The bubble presses the retina back into place while the seal heals. This approach works best for simpler detachments with a single tear near the top of the eye.
Scleral buckle involves placing a small silicone band around the outside of the eye. This gently pushes the wall of the eye inward toward the detached retina, closing the gap. Freezing therapy creates a permanent seal. The band stays on permanently but isn’t visible.
Vitrectomy is the most involved procedure. The surgeon removes the gel from inside the eye, reattaches the retina, and fills the space with a gas bubble or silicone oil to hold it in place. This is typically used for more complex detachments or when scar tissue is involved.
Redetachment occurs in roughly 14% of cases and is associated with worse long-term vision, which is one reason getting the initial repair right matters so much.
Recovery After Surgery
If your surgeon places a gas bubble in your eye, recovery involves strict head positioning. You may need to stay face down or on your side for days to weeks, including while eating, sleeping, and walking. The bubble holds the retina in place while it heals, and gravity needs to keep it pressed against the right spot.
You cannot fly on an airplane, travel to high altitudes, or scuba dive until the gas bubble has fully dissolved. Altitude and pressure changes can cause dangerous spikes in eye pressure. Your surgeon will tell you when it’s safe to resume those activities.
Vision recovery varies. People whose macula was still attached before surgery tend to recover sharp central vision relatively quickly. For those whose macula had already detached, vision continues to improve for years after repair. The 10-year Scottish study found that nearly 70% of macula-off patients eventually reached functional reading vision, though outcomes were measurably better in the macula-on group. That gap is the clearest argument for treating retinal detachment as the emergency it is.