- Home
- Diseases
- Retinal Detachment
- Rhegmatogenous Retinal Detachment
What is Rhegmatogenous Retinal Detachment?
Rhegmatogenous retinal detachment (RRD) is a serious eye condition where a tear or hole forms in the retina, allowing fluid to pass underneath and separate it from the tissue beneath. This fluid buildup causes the retina to lift and separate from the underlying retinal pigment epithelium (RPE), which provides the retina with essential oxygen and nutrients.
The retina is the light-sensitive layer of tissue at the back of the eye responsible for converting light into neural signals for the brain. Because the retina cannot function without its blood supply, an RRD is a medical emergency that can lead to permanent vision loss if not treated promptly.
Symptoms of Rhegmatogenous Retinal Detachment: How to Spot the Early Signs
Common signs of retinal detachment include:
- Sudden appearance of floaters (tiny black spots or threads drifting in vision)
- Flashes of light, especially in the side vision
- A shadow moving across the field of vision
- Blurred or distorted vision
- Gradual loss of peripheral vision
These visual symptoms of retinal detachment often appear suddenly and may worsen over time. The shadow effect is particularly important as it suggests that the retina is detaching and requires urgent care. If you experience any of these symptoms, it’s important to seek medical attention immediately.
Causes of Rhegmatogenous Retinal Detachment: What Leads to This Vision-Threatening Condition?
Understanding the causes of retinal detachment helps explain the mechanical failure behind the condition and identifies who might be at the highest risk. The most common cause of RRD is the natural ageing process of the eye.
To understand this, you have to look at the vitreous, the clear, gel-like substance that fills the centre of your eyeball. Other answers to why retinal detachment happens include:
- Vitreous Shrinkage: As we age, the vitreous gel liquefies and shrinks.
- Posterior Vitreous Detachment (PVD): Eventually, the vitreous pulls away from the surface of the retina. In most people, this happens without issue.
- The Tear: In some individuals, the vitreous is “tacky” or stuck firmly to the retina. As it pulls away, it tugs hard enough to create a retinal tear or hole.
- The Detachment: Once a hole exists, the liquid part of the vitreous seeps through the gap, collecting behind the retina and peeling it away from its blood supply like damp wallpaper.
While age is the leading factor, other events can cause the retina to tear or detach:
- Eye Injury or Trauma: A hard blow to the eye can immediately tear the retina or cause changes that lead to a detachment years later.
- Previous Eye Surgeries: Procedures such as cataract surgery can slightly change the internal pressure or structure of the eye, increasing the long-term risk.
Retinal Thinning: Conditions like “lattice degeneration” cause the edges of the retina to become thin and brittle, making tears more likely.
How is Rhegmatogenous Retinal Detachment Diagnosed?
A proper retinal detachment diagnosis involves a detailed eye examination by an ophthalmologist. An eye exam for retinal detachment usually includes:
- Dilated eye examination: Allows the doctor to clearly see the retina
- Retinal imaging (OCT): Provides detailed cross-sectional images
- B-scan ultrasound: Useful when the retina cannot be seen clearly
Regular eye check-ups are especially important as early detection of a retinal tear can prevent it from progressing into a full detachment.
Treatment Options for Rhegmatogenous Retinal Detachment
When it comes to how to treat rhegmatogenous retinal detachment, surgery is usually required, depending on the size and location of the tear or detachment.
Common techniques used in RRD surgery include:
- Laser photocoagulation (laser treatment for retinal detachment): This is used for small retinal tears. The laser creates tiny burns around the tear, sealing it and preventing fluid from passing underneath.
- Cryotherapy: A freezing technique applied externally to seal retinal tears. It works similarly to laser treatment, but from the outside of the eye.
- Pneumatic retinopexy: A gas bubble is inserted to push the retina back into place. Proper positioning after pneumatic retinopexy is crucial. Patients are also advised to avoid air travel until the gas bubble fully dissolves.
- Vitrectomy (vitreoretinal surgery): In this procedure, the vitreous gel is removed and replaced with a gas bubble or silicone oil tamponade. Silicone oil is often used in more complex cases where longer support is needed to keep the retina attached.
- Scleral buckle surgery: A silicone band is placed around the eye to gently push the wall of the eye inward, helping the retina reattach. This method is often combined with other procedures.
How to Prevent Rhegmatogenous Retinal Detachment?
While not all cases can be avoided, there are measures you can take toward preventing retinal detachment. Here are some practical eye health tips for retinal detachment:
- Get regular eye check-ups, especially if you are at risk.
- Treat refractive errors like myopia early.
- Protect your eyes from injury during sports or work.
- Seek immediate care if you notice floaters or flashes.
What Happens After Treatment for Rhegmatogenous Retinal Detachment?
Retinal detachment recovery is a gradual process where initially, the vision will be blurred or distorted but will improve over weeks or months as the eye heals and fluid is absorbed.
Here are some ways you can ensure successful healing after retinal detachment surgery:
- Specific Positioning: After procedures like pneumatic retinopexy or silicone oil tamponade, you must maintain a specific head position (based on the location of the retinal break) for several days to keep the gas bubble against the tear.
- Travel Restrictions: Avoid air travel or significant altitude changes until the gas bubble has completely dissolved to maintain eye pressure.
- Lifestyle Adjustments: Avoid heavy lifting, strenuous exercise, and getting water in the eye for several weeks.
- Medical Compliance: Use all prescribed antibiotics and anti-inflammatory eye drops and attend every follow-up appointment to monitor the retina’s stability.
Understanding Retinal Tear vs Retinal Detachment
It is vital to distinguish between these two stages, as one is a warning and the other is an emergency.
- Retinal Tear: This is a small break or hole in the tissue. Retinal tear symptoms typically include sudden flashes and floaters. Think of this like a small snag in the wallpaper on your wall. The paper is still on the wall, but it is vulnerable.
- Retinal Detachment: This occurs when fluid seeps through that tear, peeling the retina away from its supportive tissue. This causes a shadow over your vision. Using the same analogy, this is when water gets behind the snag, causing the entire sheet of wallpaper to slide off the wall.
Conclusion
Rhegmatogenous retinal detachment is a serious but treatable condition. The key to managing this condition lies in recognising symptoms early, understanding risk factors, and seeking prompt medical care.
With advances in surgical treatments for retinal detachment, many patients can preserve their vision when treated in time. If you notice sudden floaters, flashes, or changes in vision, don’t wait. A timely eye check-up can make all the difference.
Frequently Asked Questions (FAQs) about Rhegmatogenous Retinal Detachment
Is Rhegmatogenous retinal detachment common among people with myopia?
Yes, people with high myopia are at a higher risk due to retinal thinning.
What happens if rhegmatogenous retinal detachment is left untreated?
If left untreated, RRD can lead to permanent vision loss.
Is rhegmatogenous retinal detachment more common in older adults?
Yes, RRD is more common after age 50 due to changes in the vitreous.
Are there lifestyle changes that can help prevent it?
Regular eye exams, protective measures, and managing existing conditions can help prevent RRD.
How often should I have eye exams if I am at risk?
You should get your eyes examined at least once a year, or as advised by your eye specialist if you are at risk for RRD.
This information is for general awareness only and cannot be construed as medical advice. Recovery Timelines, specialist availability, and treatment prices may vary. Please consult our specialists or visit your nearest branch for more details.Insurance coverage and associated costs may vary depending on the treatment and the specific inclusions under your policy. Please visit the insurance desk at your nearest branch for detailed information.
Do not ignore eye trouble!
Now you can reach our senior doctors by booking an online video consultation or a hospital appointment
Book an appointment now