Retinal Detachment: Symptoms, Causes, Diagnosis & Treatment — Complete Guide
Updated: 2 days ago
Medically reviewed by Dr. Baraa Alnahhal, MD · Last reviewed: October 2026
Quick Answer
Retinal detachment is an emergency in which the retina, the thin tissue at the back of the eye, pulls away from its usual position and loses its oxygen supply. Painless symptoms include floaters, flashes, blurred vision and a curtain-like shadow. Delay raises the risk of permanent vision loss, so see an ophthalmologist immediately; surgery repairs it.
What the research says
Flashes and floaters together carry the highest tear risk, so new symptoms deserve a prompt exam. A systematic review of 13 studies of people with a posterior vitreous detachment found that isolated flashes were linked to retinal tears in 5.3% of symptomatic eyes, floaters alone in 16.5%, and flashes plus floaters in 20.0%; more than 10 floaters or a cloud in vision carried an odds ratio of 19.8, and the authors support immediate examination of anyone with these symptoms. (Gishti et al., Acta Ophthalmol, 2019) [3]
Vitrectomy was more likely than a gas bubble to reattach the retina on the first attempt. A meta-analysis of six comparative studies (1,061 patients) found no significant difference in visual acuity between pneumatic retinopexy and pars plana vitrectomy, but the odds of primary reattachment favored vitrectomy (odds ratio 0.29, p < 0.00001); final anatomical success was similar, and retinal tears and proliferative vitreoretinopathy were reported more often after pneumatic retinopexy. (Karam et al., Ophthalmic Surg Lasers Imaging Retina, 2023) [4]
Adding a scleral buckle to vitrectomy showed no clear benefit for detachments with tears in the lower retina. An individual-participant meta-analysis of 8 studies (1,017 eyes) found no evidence of a difference in the chance of a flat retina at 3 or 12 months between vitrectomy alone and vitrectomy plus scleral buckle; the authors note that most evidence is retrospective and should be interpreted with caution. (Bonnar et al., Ophthalmol Retina, 2023) [5]
Retinal Detachment at a Glance
Question | Answer |
What is it? | The retina pulls away from its usual position and blood supply at the back of the eye |
Is it an emergency? | Yes — the longer it goes untreated, the greater the risk of permanent vision loss |
Is it painful? | No, retinal detachment is painless |
What are the symptoms? | Floaters, flashes of light, blurred vision, worse side vision, curtain-like shadow |
How many types? | Three: rhegmatogenous (most common), tractional, exudative |
Who is at highest risk? | People ages 40–70, the extremely nearsighted, those with prior detachment, eye surgery, or eye injury |
How is it diagnosed? | Retinal exam with bright light and special lenses; ultrasound if bleeding is present |
What is the treatment? | Surgery is almost always used; tears are sealed with laser or freezing |
What Is Retinal Detachment?
Retinal detachment is an emergency situation in which the thin layer of tissue at the back of the eye, called the retina, pulls away from its usual position.
The core problem is what this separation does to the eye's nourishment system:
Retinal detachment separates the retinal cells from the layer of blood vessels that provides oxygen and nourishment to the eye. The longer retinal detachment goes without treatment, the greater the risk of permanent vision loss in the affected eye.
What are the 5 warning signs of retinal detachment?
Retinal detachment is painless. Often, symptoms are present before a detachment happens or before it has gotten worse. Recognizing them early is what saves vision.
Symptom | What It Looks Like |
Floaters | The sudden appearance of tiny specks or squiggly lines that seem to drift through your field of vision |
Flashes of light | Flashes in one or both eyes — medically called photopsias |
Blurred vision | Overall vision becomes hazy or unclear |
Worse side vision | Peripheral (side) vision becomes progressively weaker |
Curtain-like shadow | A shadow, like a curtain, moves across your field of vision |
A helpful way to understand floaters: the back of the eye contains a substance called the vitreous — a firm clump of jelly when we are young. As we age, this jelly can liquefy and break up into smaller pieces, and those pieces drift through your vision as floaters. Floaters are more common as you get older and if you're nearsighted. Most floaters don't require treatment.
The biggest concern with floaters is that they can cause retinal tears. If a tear develops, fluid can get in underneath that tear and lift the retina off like wallpaper off a wall — and that's a retinal detachment.
When to See a Doctor
See a healthcare professional right away if you have any symptoms of retinal detachment. This condition is an emergency that can cause lasting vision loss. Contacting an ophthalmologist (an eye doctor) promptly can help save your vision.
Even if you only notice new floaters or changes in vision, a dilated eye exam within days is the safe move.
What causes the three types of retinal detachment?
There are three main types of retinal detachment, and their causes vary:
1. Rhegmatogenous (reg-mu-TOJ-uh-nus) — The Most Common Type
This is the most common form. A rhegmatogenous detachment is caused by a hole or tear in the retina that lets fluid pass through and collect underneath it. The fluid builds up and causes the retina to pull away from underlying tissues. The areas where the retina detaches lose their blood supply and stop working, which causes vision loss.
The most common cause of this type is aging. The gel-like material that fills the inside of the eye, called the vitreous (VIT-ree-us), may change in texture and shrink or become more liquid with age. Usually, the vitreous separates from the surface of the retina without any complications — a common condition called a posterior vitreous detachment (PVD).
But as the vitreous separates or peels off the retina, it may tug on the retina with enough force to create a tear. Most of the time it doesn't. However, if a PVD causes a tear and the tear isn't treated, the liquid vitreous can pass through the tear into the space behind the retina — causing the retina to detach.
2. Tractional Detachment
This type can happen when scar tissue grows on the retina's surface, causing the retina to pull away from the back of the eye. Tractional detachment is usually seen in people who have poorly controlled diabetes.
3. Exudative Detachment
In this type, fluid builds up beneath the retina, but there are no holes or tears. Exudative detachment can be caused by age-related macular degeneration, infection, tumors, or inflammatory conditions.
Who is most likely to get a retinal detachment?
The following factors raise your risk of retinal detachment:
Risk Factor | Details |
Aging | Retinal detachment is more common in people ages 40 to 70 |
Past retinal detachment | Having had a retinal detachment in one eye raises risk |
Family history | Retinal detachment that runs in your family |
Extreme nearsightedness | Also called myopia |
Past eye surgery | Such as cataract removal |
Past severe eye injury | Physical trauma to the eye |
Other eye conditions | Including retinoschisis, uveitis, or lattice degeneration (thinning of the peripheral retina) |
Notice that most of these risk factors are not things you can control — which makes recognizing the warning signs and acting immediately your most powerful protection.
How do doctors diagnose retinal detachment?
Retinal detachment is diagnosed with tests that show whether it is causing your symptoms, and both eyes are usually checked. Two tests are typically used:
Test | What It Involves |
Retinal exam | Your healthcare professional uses an instrument with a bright light and special lenses to check the back of your eye, including the retina. This device provides a detailed view of your whole eye and lets the doctor see any retinal holes, tears, or detachments. |
Ultrasound imaging | Used if bleeding has happened in your eye, since bleeding makes it hard to see the retina. |
Two important practical notes from the diagnostic process:
Your healthcare professional will likely check both eyes, even if you have symptoms in just one.
If a retinal tear is not found at the visit, your professional may ask you to return within a few weeks to confirm the eye hasn't developed a delayed tear from the same vitreous detachment. If you develop new symptoms, return right away.
Is surgery the main treatment for retinal detachment?
Surgery is almost always the type of treatment used to repair a retinal tear, hole, or detachment. Various techniques are available — ask your ophthalmologist about the risks and benefits of your options, and decide together what combination is best for you.
Treating a Retinal Tear (Before It Detaches)
When the retina has a tear or hole but hasn't yet become detached, treatment can prevent retinal detachment and preserve vision. Two office procedures are used:
Laser surgery (laser photocoagulation or retinopexy): The surgeon directs a laser beam into the eye through the pupil. The laser makes burns around the retinal tear to create scarring that usually "welds" the retina to underlying tissue.
Freezing (cryopexy): After numbing your eye, the surgeon applies a freezing probe to the outer surface of the eye directly over the tear. The freezing causes a scar that helps secure the retina to the eye wall.
Both treatments are done in the eye doctor's office. Most often, you go home afterward — but you'll be told to avoid activities that might jar the eyes, such as running, for about two weeks.
Treating a Retinal Detachment (Surgery Within Days)
If your retina has detached, you'll need surgery to repair it. It's ideal to get surgery within days of finding out. The type of surgery depends on the location of the detachment and how severe it is:
Surgical Technique | How It Works |
Pneumatic retinopexy (injecting air or gas) | A bubble of air or gas is injected into the vitreous cavity. When positioned properly, the bubble pushes the area of the retina containing the hole(s) against the wall of the eye, stopping fluid from flowing behind the retina. The surgeon also uses cryopexy or laser to scar around the break. Fluid underneath absorbs on its own, and the retina sticks to the eye wall. You may need to hold your head in a certain position for up to a week; the bubble disappears on its own. |
Scleral buckling (indenting the eye surface) | The surgeon sews a piece of silicone to the white part of the eye (the sclera) over the affected area. This indents the eye wall and relieves the force of the vitreous tugging on the retina. It's placed so it doesn't block your vision and usually remains in place for life. Tears may be sealed with laser or freezing, and collected fluid may be drained. |
Vitrectomy (draining and replacing the eye's fluid) | The surgeon removes the vitreous along with any tissue tugging on the retina, then injects air, gas, or silicone oil to help flatten the retina. Tears are sealed with laser or freezing, and fluid may be drained. Air or gas is absorbed over time and the vitreous space refills with fluid; silicone oil may be removed with surgery months later. Vitrectomy may be combined with scleral buckling. |
What Recovery Looks Like
Set realistic expectations after surgery:
Your vision may take months to get better.
You may need a second surgery for successful treatment.
Some people never get back all of their lost vision.
How can people cope with impaired vision after retinal detachment?
Retinal detachment can cause vision loss that changes your lifestyle, but practical strategies can help you adapt. Seven practical strategies help:
Get glasses. Your prescription may change after repair — especially if treated with a scleral buckle. Get an updated prescription once your eye has healed, and request safety lenses.
Brighten your home. Ensure proper light for reading and other activities.
Make your home safer. Remove throw rugs or secure them with tape; move electrical cords out of walking areas; place colored tape on step edges; consider motion-activated lights.
Ask for help. Tell friends and family about your vision changes so they can support you.
Use technology. Digital talking books and screen readers can help with reading.
Explore driving services. Look into vans, shuttles, volunteer driving networks, and ride-sharing services for people with impaired vision.
Talk to others. Take advantage of online networks, support groups, and resources for people with impaired vision.
How should you prepare for a retinal detachment appointment?
Preparing for a retinal detachment appointment means checking for restrictions, listing symptoms and medicines, bringing someone along and writing down your questions.
What You Can Do
Check for restrictions: When making the appointment, ask if you need to do anything in advance.
List your symptoms — including ones that don't seem related to the reason for the appointment.
List key personal information — major stresses and recent life changes.
List all medicines, vitamins, and supplements, including doses.
Bring a family member or friend — you may need someone to drive you home if your eyes are dilated, and they can write down information from your healthcare team.
List your questions — see the table below.
Some basic questions to ask your healthcare professional:
Questions to Ask Your Healthcare Professional |
What's the most likely cause of my symptoms? What are other possible causes? |
What tests do I need? Do I need to prepare for them? |
Is my condition likely short-term or ongoing? |
What are my treatment options, and which do you recommend? |
Are there options aside from the main treatment suggested? |
I have another medical condition. How can I manage them together? |
Do I need to restrict my activities in any way? |
Do I need to see another specialist? |
Do you have brochures or other printed material? What websites do you recommend? |
What will determine whether I should plan for a follow-up visit? |
If I need surgery, how long will recovery take? |
Will I be able to travel after surgery? Is it safe to fly? |
What to Expect From Your Doctor
Your healthcare professional is likely to ask several questions:
Questions Your Doctor May Ask |
When did you first start having symptoms? |
Are your symptoms always present, or do they come and go? |
How severe are your symptoms? |
Have you had any symptoms in your other eye? |
Have you ever had an eye injury? |
Have you ever had eye inflammation? |
Have you ever had eye surgery? |
Do you have any other health conditions, such as diabetes? |
Have any family members ever had a retinal detachment? |
What are common questions about retinal detachment?
Retinal detachment is a painless emergency in which the retina pulls away from its usual position, and untreated it can cause lasting vision loss.
What is a retinal detachment?
Retinal detachment is an emergency in which the retina — the thin, light-sensitive layer of tissue at the back of the eye — pulls away from its usual position and the blood vessels that supply it with oxygen and nutrients. Untreated, it can cause lasting vision loss.
What does retinal detachment feel like?
It is painless. People typically notice floaters (tiny specks or squiggly lines drifting through vision), flashes of light in one or both eyes, blurred vision, worsening side vision, or a curtain-like shadow moving across their field of vision.
Why do floaters and flashes appear?
As we age, the jelly-like vitreous inside the eye can shrink and liquefy, creating drifting specks called floaters. When the vitreous peels off the retina, it can tug hard enough to create a tear — and fluid can then lift the retina off like wallpaper off a wall.
Who is most at risk of retinal detachment?
People ages 40 to 70, those with extreme nearsightedness (myopia), a past detachment in one eye, a family history, prior eye surgery such as cataract removal, past severe eye injury, or other eye conditions like retinoschisis, uveitis, or lattice degeneration.
What are the three types of retinal detachment?
Rhegmatogenous (most common) is caused by a tear that lets fluid collect under the retina; tractional is caused by scar tissue pulling the retina away, usually in poorly controlled diabetes; and exudative involves fluid buildup without a tear, caused by macular degeneration, infection, tumors, or inflammation.
How is retinal detachment treated?
Surgery is almost always used. A tear that hasn't yet caused detachment can be sealed in the office with laser photocoagulation or cryopexy. A full detachment needs surgery within days — options include pneumatic retinopexy (a gas bubble), scleral buckling (a silicone band), and vitrectomy (removing and replacing the eye's fluid).
Will my vision recover after surgery?
Recovery takes time. Vision may take months to improve, a second surgery may be needed for successful treatment, and some people never regain all of their lost vision — which is why acting fast on the first symptoms matters so much.
Conclusion
Retinal detachment deserves its reputation as a painless but dangerous emergency — and this guide puts everything you need to recognize and respond to it in one place:
Know the five signs. Floaters, flashes of light, blurred vision, worse side vision, and a curtain-like shadow are your early-warning system — because symptoms often appear before the detachment is complete.
Act on speed, not pain. Retinal detachment is painless, which is exactly why it catches people off guard. A dilated eye exam within days of new floaters or flashes can catch a tear before it becomes a full detachment.
Modern repair works — if you move fast. Tears are sealed in the office with laser or freezing, and detached retinas are repaired within days using gas bubbles, scleral buckles, or vitrectomy. Vision recovery takes months, and acting early gives you the best odds of getting it back.
If you're exploring how your vision works and what can go wrong with it, continue with our lazy eye complete guide — and browse all condition guides across rinnit.com.
What are the next steps after learning about retinal detachment?
Read a related guide: Understand more vision conditions in our lazy eye complete guide.
Share your thoughts: Have you experienced floaters, flashes, or retinal detachment? Tell us about it in the comments — your story may help someone act faster on their symptoms.
Disclaimer: This article is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about any medical condition.
Related Reading
Optical Coherence Tomography (OCT) Eye Test: What It Shows and What to Expect explains the eye scan used to image the retina and optic nerve.
Fundoscopy (Ophthalmoscopy): What It Is, Types, What to Expect and What It Can Find explains the exam of the retina and optic nerve used in eye and diabetes care.
Fundus Photography: What It Shows, What to Expect and Who Needs It explains the eye photos used to check the retina and optic nerve.
References
Mayo Clinic Staff. Retinal detachment - Symptoms and causes. Mayo Clinic. September 27, 2024. https://www.mayoclinic.org/diseases-conditions/retinal-detachment/symptoms-causes/syc-20351344
Mayo Clinic Staff. Retinal detachment - Diagnosis and treatment. Mayo Clinic. September 27, 2024. https://www.mayoclinic.org/diseases-conditions/retinal-detachment/diagnosis-treatment/drc-20351348
Gishti O, et al. Symptoms related to posterior vitreous detachment and the risk of developing retinal tears: a systematic review. Acta Ophthalmol. 2019;97(4):347-352. PMID 30632695. https://doi.org/10.1111/aos.14012
Karam M, et al. Pneumatic Retinopexy Versus Pars Plana Vitrectomy for Rhegmatogenous Retinal Detachment: Systematic Review and Meta-Analysis. Ophthalmic Surg Lasers Imaging Retina. 2023;54(6):354-361. PMID 37222541. https://doi.org/10.3928/23258160-20230508-03
Bonnar J, et al. Scleral Buckle, Vitrectomy, or Combined Surgery for Inferior Break Retinal Detachment: Systematic Review and Meta-Analysis. Ophthalmol Retina. 2023;7(10):837-847. PMID 37187441. https://doi.org/10.1016/j.oret.2023.05.006
Comments