Protecting Your Eye Health
Ocular Inflammation & Uveitis Treatment in Singapore
Medically reviewed by Dr Bobby Cheng
Senior Consultant Ophthalmologist
MBBS (Singapore) | MMed (Ophthalmology, Gold Medal) | FRCS (Edinburgh) | FAMS
What is Uveitis?
Uveitis is inflammation of the uveal tract — the collective term for the iris, ciliary body, and choroid, which together form the middle layer of the eye. When inflamed, surrounding structures including the retina, vitreous gel, and optic nerve may also be affected, compounding the risk to vision.
Uveitis may present suddenly as an acute episode or develop gradually into a chronic, recurring condition. In either form, uncontrolled inflammation can cause irreversible damage to the eye’s delicate structures. Early diagnosis and timely uveitis treatment are essential to controlling inflammation, preventing complications, and preserving sight.
Causes and Risk Factors of Uveitis
Uveitis can develop as a result of several different underlying conditions, making accurate diagnosis essential before treatment begins. In some cases, ocular inflammation is the first visible sign of a systemic disease that has yet to be formally diagnosed.
Common causes of uveitis and ocular inflammation include:
- Autoimmune Conditions: The immune system mistakenly attacking the body’s own tissues is one of the leading causes of uveitis. Associated conditions include rheumatoid arthritis, lupus, ankylosing spondylitis, and psoriatic arthritis. Patients with known autoimmune diagnoses should be vigilant about regular eye monitoring.
- Infections: A range of infectious agents can trigger or directly cause ocular inflammation. These include viral infections such as herpes simplex and herpes zoster, bacterial infections such as tuberculosis, and parasitic causes such as toxoplasmosis. Identifying the specific infectious agent is critical to guiding treatment.
- Eye Trauma or Injury: Blunt trauma, penetrating injury, or surgical complications can provoke a significant inflammatory response within the eye, sometimes developing days after the initial incident.
- Systemic Diseases: Conditions affecting multiple organ systems including sarcoidosis, inflammatory bowel disease (Crohn’s disease and ulcerative colitis), and multiple sclerosis are frequently associated with uveitis as an ocular manifestation.
- Idiopathic Uveitis: In a notable proportion of patients, no specific underlying cause can be identified despite thorough investigation. These cases are classified as idiopathic and require careful, ongoing management to prevent recurrence and protect long-term vision.
Symptoms of Ocular Inflammation & Uveitis
Uveitis may affect one or both eyes, and symptoms can appear suddenly or develop gradually depending on the type and severity of inflammation.
Eye redness and pain
Often one of the first and most noticeable signs of ocular inflammation.
Sensitivity to light (photophobia)
Discomfort or pain when exposed to bright light, a hallmark symptom of anterior uveitis.
Blurred or decreased vision
Inflammation affecting the vitreous, retina, or macula can cause a reduction in visual clarity.
New floaters or spots in vision
The appearance of new floaters may indicate inflammation in the vitreous or posterior segment of the eye.
Headache or eye discomfort
Persistent aching around or behind the eye may accompany active inflammation.
How Uveitis is Diagnosed
Accurate diagnosis is essential to determining the type of uveitis, identifying any underlying cause, and planning the most effective treatment. A comprehensive assessment typically includes:
A full evaluation of visual acuity, intraocular pressure, and a detailed slit-lamp examination to assess the degree and location of inflammation within the eye.
High-resolution cross-sectional scans of the retina to detect macular swelling, retinal damage, or other structural changes caused by inflammation.
Detailed retinal imaging and dye-based vascular assessment to evaluate the extent of inflammation and identify any blood vessel involvement or leakage.
Where an underlying systemic cause is suspected, targeted blood tests or additional imaging (e.g. chest X-Ray or CT) may be arranged to support diagnosis and guide management.
Types of Uveitis
Uveitis is not a single condition, it is classified into distinct types based on which anatomical layer of the eye is inflamed. Understanding the type is essential for guiding the most appropriate course of treatment.
The most commonly diagnosed form of uveitis, involving inflammation at the front of the eye, particularly the iris. It typically presents with redness, eye discomfort, and sensitivity to light, and often responds well to early treatment.
Inflammation centred in the vitreous gel and peripheral retina. This type often develops more gradually, with floaters and blurred vision being the main symptoms. It may be associated with systemic conditions such as multiple sclerosis or sarcoidosis.
Affects the retina, choroid, or both at the back of the eye. This is among the more serious forms of uveitis, with a higher risk of vision-threatening complications including retinal damage and macular oedema if left untreated.
The most severe classification, involving widespread inflammation across all layers of the eye — the anterior, intermediate, and posterior segments simultaneously. Panuveitis requires prompt, intensive treatment and ongoing monitoring to protect sight.
Uveitis and ocular inflammation require timely attention to protect your eyesight.
With experienced care and ongoing monitoring, many patients maintain stable vision and quality of life. Early and consistent uveitis treatment in Singapore is key to preventing permanent vision loss.
What Happens if Uveitis is Left Untreated?
Without prompt and appropriate treatment, uveitis can cause serious and potentially irreversible damage to the eye. Complications that may develop include:
Cataract Formation
Chronic inflammation and long-term steroid use can accelerate clouding of the eye’s natural lens. As the cataract matures, vision progressively deteriorates and surgical intervention may become necessary.
Glaucoma
Raised intraocular pressure — a recognised complication of both active uveitis and corticosteroid therapy can silently damage the optic nerve over time, leading to progressive and potentially permanent vision loss if undetected.
Macular Oedema
Fluid build-up in the macula, the central region of the retina responsible for sharp, detailed vision, causes blurring that can significantly impact quality of life and daily functioning.
Retinal Scarring
Prolonged or repeatedly uncontrolled inflammation can result in permanent structural damage to the retina, leaving areas of irreversible visual impairment even after inflammation is eventually brought under control.
Recurrent Flare-Ups
Each episode of uncontrolled inflammation increases cumulative damage to the eye and raises the risk of long-term complications.
Treatment Options for Ocular Inflammation & Uveitis
Uveitis treatment is not one-size-fits-all. The most appropriate approach depends on the type of uveitis, the severity and location of inflammation, and the presence of any underlying systemic condition. The primary goals are to bring inflammation under control as quickly as possible, prevent irreversible damage to the eye’s structures, and minimise the risk of vision-threatening complications.
Corticosteroids remain the cornerstone of uveitis treatment, offering rapid and effective suppression of ocular inflammation. Delivery method is selected based on where in the eye the inflammation is located:
- Eye Drops: Used primarily for anterior uveitis (iritis) to relieve redness, light sensitivity, and discomfort.
- Periocular or Intraocular Injections: When drops alone are insufficient, injections around or directly into the eye deliver higher medication concentrations to the affected area for a more targeted effect.
- Oral Steroids: Prescribed in more severe or widespread cases, particularly posterior uveitis or panuveitis where topical treatment cannot reach the back of the eye effectively.
Patients with recurrent, chronic, or autoimmune-driven uveitis may require long-term systemic therapy to sustain remission and reduce dependence on steroids:
- Immunosuppressive Agents: Medications such as methotrexate, azathioprine, and mycophenolate help reduce reliance on long-term high-dose steroids and control inflammation in persistent cases.
- Biologic Therapies: Anti-TNF agents and other targeted biologics may be considered for patients with underlying systemic autoimmune conditions not adequately controlled by standard treatment.
These treatments are prescribed and monitored in collaboration with a rheumatologist or immunologist as part of a coordinated, multidisciplinary care approach.
In select cases, a sustained-release steroid implant such as Ozurdex® may be placed inside the eye. This device delivers consistent anti-inflammatory medication over several months, providing prolonged disease control and reducing the burden of repeated clinic-based injections.
When uveitis is caused by an infectious agent, treatment is directed at the underlying organism:
- Antibiotics, antivirals, or antifungals are prescribed based on the suspected or confirmed cause.
- Anti-inflammatory treatment is usually administered alongside to control swelling and protect vision during recovery.
Uncontrolled or longstanding uveitis can lead to secondary complications requiring additional treatment:
- Glaucoma: Raised intraocular pressure is managed with anti-glaucoma medications or, where necessary, surgical intervention.
- Cataract: Steroid use and prolonged inflammation can accelerate lens clouding. Cataract surgery is considered once inflammation is stable and visual impairment becomes significant.
- Macular Oedema: Retinal swelling may be treated with intravitreal injections or laser therapy to preserve central vision.
Effective uveitis management does not end when inflammation is brought under control. Because ocular inflammation can recur, fluctuate, or evolve — sometimes without obvious symptoms — structured, long-term follow-up is a critical component of protecting your vision.
Frequently Asked Questions About Uveitis
In many cases, uveitis can be successfully controlled rather than permanently cured — particularly where it is linked to a chronic autoimmune or systemic condition. With the right treatment approach, however, most patients are able to achieve remission, significantly reduce the frequency of flare-ups, and maintain good functional vision over the long term.
Left untreated, uveitis can lead to serious complications including glaucoma, cataract, macular oedema, and retinal damage, any of which can result in significant vision loss. Early diagnosis and consistent treatment greatly reduce this risk.
This varies from patient to patient. Some individuals experience a single, isolated episode that resolves fully with short-term treatment. Others may develop recurrent or chronic uveitis requiring ongoing medical management and regular monitoring to keep inflammation under control.
Yes. While lifestyle changes alone cannot treat uveitis, maintaining overall health plays a meaningful supportive role. Managing systemic conditions such as autoimmune disease or hypertension, eating well, exercising regularly, avoiding smoking, and attending routine eye checks all contribute to better long-term outcomes.