Medical Emergency — Act Immediately

Retinal Detachment

A sight-threatening emergency in which the retina lifts away from the wall of the eye. Without urgent treatment, permanent vision loss can occur within hours to days.

At a Glance — Medical Emergency

Retinal detachment is a sight-threatening emergency in which the retina separates from the back of the eye and loses its blood supply. Without urgent surgical repair, permanent vision loss can occur within hours to days. If you experience warning symptoms, seek care the same day — do not wait.

Key Facts

True surgical emergency Most common age 50–75 Time is vision

Types

●Rhegmatogenous — Most common. A retinal tear lets fluid seep behind the retina.
●Tractional — Scar tissue pulls the retina off. Common in advanced diabetic retinopathy.
●Exudative — Fluid accumulates without a tear. Caused by inflammation or vascular disease.

Symptoms

•Sudden flashes of light in peripheral vision
•New or dramatically increased floaters
•A shadow or curtain spreading across vision
•Sudden blurring or loss of central/peripheral vision

Risk Factors

•High myopia (nearsightedness)
•Age 50+, prior cataract surgery
•Previous retinal detachment in either eye
•Eye trauma or lattice degeneration
•Family history; advanced diabetic retinopathy

How It's Diagnosed

Dilated eye exam with scleral indentation, OCT to assess retinal layers and macula involvement, and B-scan ultrasound when the retina cannot be directly visualized (e.g., vitreous hemorrhage).

Treatment Options

Always surgical. Options include pneumatic retinopexy (outpatient gas bubble), scleral buckle (silicone band around the eye), and vitrectomy (removal of vitreous gel). Choice depends on detachment type, location, and complexity.

⚠ Go to Emergency Care Immediately If You Notice

•Sudden flashes of light (like lightning)
•A sudden shower of many new floaters
•A dark curtain or shadow across your vision
•Sudden painless loss of any part of your vision

Condition Image Area

Normal attached retina vs. detached retina — illustration area

What Is Retinal Detachment?

Retinal detachment happens when the retina — the thin, light-sensitive layer of tissue at the back of the eye — separates from its normal position against the wall of the eye. The retina relies on the underlying layer of blood vessels (the choroid) to supply oxygen and nourishment. When the retina detaches, it is lifted away from this blood supply and can no longer function properly. Without swift treatment, a detached retina can lead to permanent vision loss.

Most detachments begin with a change inside the eye's vitreous gel. As people age, the vitreous naturally liquefies and shrinks, a process called posterior vitreous detachment (PVD). In most cases this separation is harmless, but sometimes the vitreous tugs hard enough on the retina to create a tear or hole. Once a tear forms, fluid from the vitreous cavity can seep through the opening and accumulate beneath the retina, causing it to peel away like wallpaper losing its adhesion.

Because the retina translates light into the neural signals your brain interprets as images, any separation disrupts this pathway. The longer the retina remains detached, the greater the risk of irreversible damage to the retinal cells. This is why retinal detachment is considered one of the few true emergencies in ophthalmology — time is vision.

This Is a Time-Critical Emergency

The sooner a detached retina is repaired, the better the chances of preserving useful vision. If the macula — the central part of the retina responsible for detailed vision — becomes detached, the prognosis for full recovery drops substantially. If you experience warning signs, contact a retina specialist or go to the emergency department the same day. Do not wait to see if symptoms improve on their own.

Types of Retinal Detachment

Identifying the type of detachment guides treatment decisions and helps predict outcomes.

Rhegmatogenous

The most common form. It develops when a tear or break in the retina allows fluid from the vitreous cavity to pass through and collect underneath the retina, lifting it away from the underlying tissue. Aging changes in the vitreous gel and high myopia are the leading causes of the retinal breaks that trigger this type.

Most Common

Tractional

Occurs when scar tissue on the retinal surface contracts and physically pulls the retina away from the back of the eye. Unlike rhegmatogenous detachments, there is no retinal tear. This type is most frequently seen in advanced diabetic retinopathy, where abnormal blood vessels and fibrous tissue grow on the retina and exert tractional forces.

Exudative

Happens when fluid leaks and accumulates beneath the retina without any tear or hole in the retinal tissue itself. Inflammatory disorders, vascular abnormalities, tumors, or severe high blood pressure can disrupt the normal barrier beneath the retina and allow fluid to build up. Treatment focuses on addressing the underlying disease rather than surgery on the retina.

Warning Signs — Seek Care Immediately

The symptoms below may signal a retinal tear or detachment. Do not wait. Early detection and rapid treatment can be the difference between preserved vision and permanent blindness. Anyone who notices these changes should see an ophthalmologist or retina specialist right away — the same day.

Sudden Flashes of Light

Brief, repeated flashes in your side or central vision, often described as streaks of lightning or camera flashes. These occur when the vitreous gel pulls on the retina.

New or Increased Floaters

A sudden shower of dark spots, squiggly lines, or cobweb-like shapes drifting through your field of view. A rapid increase in floaters can indicate bleeding or retinal tearing.

Shadow or Curtain in Vision

A dark curtain, veil, or shadow spreading from the periphery toward the center of your visual field. This often means the retina is actively detaching and is a true emergency.

Decreased or Distorted Vision

Sudden blurriness, waviness, or a graying of central vision in one eye. Any abrupt change in vision quality — especially if isolated to one eye — warrants urgent evaluation.

Risk Factors

Not everyone faces the same risk. Understanding your risk profile helps you know when to be extra vigilant about symptoms and when to schedule regular dilated eye examinations with a retina specialist.

High Myopia

Severe nearsightedness stretches and thins the retina, raising the risk of tears and detachment.

Age

Detachment becomes more common after age 50 as the vitreous gel naturally liquefies and separates from the retina.

Family History

A family history of retinal detachment can increase susceptibility, suggesting a genetic component to retinal vulnerability.

Previous Eye Surgery

Cataract surgery and other intraocular procedures can alter vitreous dynamics and slightly raise detachment risk.

Prior Detachment

If one eye has detached, the risk in the fellow eye is significantly higher. Preventive monitoring is essential.

Eye Trauma

Blunt or penetrating injuries to the eye can create retinal tears or cause direct detachment.

Lattice Degeneration

Thin, weakened patches of peripheral retina are more prone to tearing and can serve as entry points for subretinal fluid.

Diabetic Retinopathy

Advanced disease leads to scar tissue that can pull the retina away, causing tractional detachment.

Diagnosis

Prompt, accurate diagnosis is critical. Your retina specialist uses a combination of examination and advanced imaging to confirm the diagnosis, locate tears, and plan treatment.

Dilated Eye Exam

Dilating drops widen the pupil so your specialist can examine the entire retina with a specialized lens and bright light. This remains the cornerstone of diagnosis, allowing direct visualization of tears, holes, and areas of detachment. The exam is painless, though bright lights may be uncomfortable.

OCT (Optical Coherence Tomography)

OCT captures high-resolution, cross-sectional images of the retina within seconds. It reveals subtle fluid beneath the retina, tracks the integrity of retinal layers, and determines whether the macula is involved — all essential for surgical planning and for predicting visual prognosis.

Ocular Ultrasound (B-Scan)

When the retina cannot be seen directly — for example, because of a dense cataract or significant vitreous hemorrhage — B-scan ultrasound uses sound waves to create images of the back of the eye. It confirms the presence, extent, and configuration of the detachment when direct view is obscured.

Treatment Options

Retinal detachment is treated with surgery. The goal is to reattach the retina as quickly as possible, seal any retinal breaks, and prevent redetachment. The choice of procedure depends on the type, location, and complexity of the detachment, as well as the surgeon's expertise.

Pneumatic Retinopexy

In this outpatient office procedure, a gas bubble is injected into the vitreous cavity. The bubble expands and pushes the detached portion of the retina back against the eye wall. Laser photocoagulation or cryotherapy is then applied to seal the retinal tear. Over the following days to weeks, the body gradually absorbs the gas.

Less invasive than surgery in the operating room
Requires strict head positioning for several days
Best suited for simple, superior detachments with a single break

Pars Plana Vitrectomy

A microsurgical procedure in which the vitreous gel is removed from the eye. The surgeon drains subretinal fluid, repairs retinal tears, and often places a gas bubble or silicone oil tamponade to hold the retina in position while it heals. Vitrectomy is highly versatile and is the most common approach for complex or large detachments.

Highly versatile for complex, large, or recurrent detachments
Allows removal of scar tissue causing traction
Face-down positioning may be needed if gas is used

Learn about vitrectomy

Scleral Buckle

A flexible silicone band or segment is sewn to the outer white wall of the eye (the sclera). The buckle gently indents the eye wall inward, bringing it closer to the detached retina. This relieves vitreous traction on the tear and allows the break to seal. Scleral buckles often work well for younger patients and straightforward detachments.

Excellent success rate for uncomplicated detachments
No face-down positioning required after surgery
The buckle remains on the eye permanently

How Your Surgeon Chooses a Procedure

The best approach depends on multiple factors: the number and location of retinal tears, whether the macula is detached, the presence of vitreous hemorrhage or scar tissue, your age, whether you have had cataract surgery, and the surgeon's experience. In some cases, a combination of techniques (for example, vitrectomy plus scleral buckle) provides the highest chance of success. Your retina specialist will explain the rationale for the recommended approach and answer your questions before proceeding.

Recovery & Aftercare

What to Expect

Mild discomfort, redness, scratchiness, and a foreign-body sensation for days to weeks
Blurry vision that improves gradually; full recovery may take weeks to months
New or increased floaters initially, which typically settle over time
Frequent follow-up visits to monitor healing, check intraocular pressure, and detect complications
If a gas bubble was placed, you may need to maintain a specific head position (often face-down)

Important Restrictions

No air travel while a gas bubble remains in the eye. Changes in cabin pressure can cause the gas to expand and dangerously raise eye pressure.
Avoid high altitudes and scuba diving until your surgeon confirms the gas has fully absorbed
Follow prescribed head-positioning instructions exactly; they are critical for reattachment success
Avoid strenuous exercise, heavy lifting, and bending at the waist during early recovery
Use all eye drops exactly as directed to prevent infection and control inflammation

Recovery Timeline: Most patients notice meaningful improvement within 4–8 weeks, but full visual recovery can take 6–12 months — longer if the macula was involved. Attending every scheduled follow-up is essential so your surgeon can catch and treat complications such as elevated eye pressure, cataract progression, or redetachment early.

View Complete Post-Op Care Guide

Prognosis & Success Rates

Modern retinal surgery offers excellent chances of anatomically reattaching the retina, but visual outcomes depend on several key factors.

High Surgical Success

With current surgical techniques, approximately 90–95% of retinal detachments can be successfully repaired and the retina reattached. Some complex cases may require more than one operation, but the overall anatomical success rate is very high.

Macula Status Is the Key

The most important predictor of how well you will see after surgery is whether the macula was detached and for how long. When the macula remains attached ("macula-on"), prompt surgery often preserves excellent central vision. Once the macula detaches ("macula-off"), some permanent loss of fine detail may remain even after successful reattachment.

Factors That Influence Visual Outcome

Duration of detachment: The sooner surgery is performed, the better the prognosis.
Macular involvement: Macula-on detachments carry the best visual prognosis.
Extent of detachment: Larger detachments may have a more guarded visual outlook.
Presence of proliferative vitreoretinopathy (PVR): Scar tissue on the retina can lower success rates.
Pre-existing eye conditions: Cataract, macular degeneration, or diabetic changes can limit recovery.

Frequently Asked Questions

Can a retinal detachment heal on its own?

No. A retinal detachment will not heal without intervention. Delaying care significantly reduces the chance of restoring good vision and increases the risk of permanent blindness. This is a true emergency requiring surgical or laser treatment by a retina specialist.

How quickly do I need to be treated?

As soon as possible. The status of the macula is the critical factor. If the macula is still attached ("macula-on"), surgery within 24–72 hours offers the best chance of preserving excellent central vision. Once the macula detaches ("macula-off"), visual recovery is more limited even with prompt surgery. Every hour counts.

Will my vision return to normal after surgery?

It depends primarily on whether the macula was detached and for how long. Macula-on detachments treated promptly often achieve very good visual outcomes. Macula-off detachments may leave some permanent distortion, dimness, or reduced central acuity, though many patients still experience meaningful improvement. Other eye conditions and individual healing also play a role.

Can retinal detachment happen in the other eye?

Yes. If you have had a detachment in one eye, the risk in the other eye is higher — particularly if you have high myopia, lattice degeneration, or a family history. Your retina specialist will examine the fellow eye carefully and may recommend preventive laser treatment (barrier laser) around any weak or thinning areas to reduce the risk.

What is the success rate of retinal detachment surgery?

With modern surgical techniques, the anatomical success rate — meaning the retina is successfully reattached — is approximately 90–95% after the initial procedure, and higher if additional surgery is needed. Visual outcomes, however, depend heavily on macular status and how quickly treatment was initiated.

Why can't I fly if I have a gas bubble in my eye?

Gas bubbles expand at higher altitudes because of lower atmospheric pressure. If you fly or travel to high elevations while a gas bubble is still inside the eye, the expanding bubble can cause a dangerous spike in intraocular pressure, leading to severe pain and possible vision loss. Your surgeon will tell you when the gas has fully absorbed and travel is safe again — typically weeks after surgery.

Is retinal detachment surgery painful?

The procedures themselves are performed under anesthesia (local with sedation or general), so you will not feel pain during surgery. Afterward, most patients experience mild to moderate soreness, scratchiness, and a dull ache for several days. Prescribed eye drops and over-the-counter pain relievers usually manage discomfort well. If pain worsens suddenly, contact your surgeon immediately.

References & Resources

American Society of Retina Specialists (ASRS)

Retinal detachment patient fact sheet

American Academy of Ophthalmology (AAO)

EyeSmart — detached and torn retina overview

National Eye Institute (NEI)

Retinal detachment causes, symptoms, and treatment

AAO EyeWiki

Comprehensive clinical overview of retinal detachment

Experiencing Symptoms?

If you have sudden floaters, flashes of light, or a curtain over your vision, do not wait. Contact a retina specialist or go to the emergency department immediately.

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Patient Information

Date: _______________

Patient: _______________

Retinal Detachment

What Is It?

Retinal detachment is a serious eye emergency in which the retina separates from the back of the eye. Without prompt treatment, it can cause permanent vision loss. Surgery is required to reattach the retina. The sooner treatment occurs, the better the chance of preserving good vision.

Symptoms to Watch For

Sudden increase in floaters (specks, lines, or cobwebs)
Flashes of light in peripheral or central vision
A dark curtain or shadow over part of your vision
Sudden blurriness or decreased vision in one eye

Treatment

Pneumatic retinopexy (gas bubble injection in the office)
Scleral buckle surgery
Pars plana vitrectomy
Laser photocoagulation or cryotherapy to seal retinal tears

⚠ Seek Immediate Help If:

THIS IS AN EYE EMERGENCY — seek care within hours, not days
Sudden onset of flashes and a shower of new floaters
A curtain, veil, or shadow over your vision
Any sudden, unexplained vision loss

Go to the emergency room or call your retina specialist immediately.

Follow-Up Instructions

You will need frequent follow-up visits after surgery. Recovery takes weeks to months. You may need to position your head in a specific way if a gas bubble was placed. Do NOT fly in an airplane or travel to high altitude while a gas bubble remains in your eye. Use all eye drops exactly as prescribed.

Doctor's Notes

Retinal Detachment

At a Glance — Medical Emergency

Key Facts

Types

Symptoms

Risk Factors

How It's Diagnosed

Treatment Options

⚠ Go to Emergency Care Immediately If You Notice

What Is Retinal Detachment?

This Is a Time-Critical Emergency

Types of Retinal Detachment

Rhegmatogenous

Tractional

Exudative

Warning Signs — Seek Care Immediately

Sudden Flashes of Light

New or Increased Floaters

Shadow or Curtain in Vision

Decreased or Distorted Vision

Risk Factors

High Myopia

Age

Family History

Previous Eye Surgery

Prior Detachment

Eye Trauma

Lattice Degeneration

Diabetic Retinopathy

Diagnosis

Dilated Eye Exam

OCT (Optical Coherence Tomography)

Ocular Ultrasound (B-Scan)

Treatment Options

Pneumatic Retinopexy

Pars Plana Vitrectomy

Scleral Buckle

How Your Surgeon Chooses a Procedure

Recovery & Aftercare

What to Expect

Important Restrictions

Prognosis & Success Rates

High Surgical Success

Macula Status Is the Key

Factors That Influence Visual Outcome

Frequently Asked Questions

Related Conditions

Posterior Vitreous Detachment (PVD)

Retinal Tear

Macular Hole

References & Resources

American Society of Retina Specialists (ASRS)

American Academy of Ophthalmology (AAO)

National Eye Institute (NEI)

AAO EyeWiki

Experiencing Symptoms?