Central Serous Chorioretinopathy (CSCR)

Central serous chorioretinopathy (CSCR), sometimes called central serous retinopathy (CSR), is a retinal condition in which fluid builds up underneath the retina, causing blurred or distorted central vision. The condition affects the macula, the part of the retina responsible for sharp vision needed for reading, driving, and recognizing faces.

CSCR most commonly affects adults between the ages of 30 and 60 and tends to occur more often in men. In many cases, CSCR improves on its own, but some patients experience recurrent episodes or long-term visual changes.

CSCR occurs when fluid leaks underneath the retina from a layer of blood vessels called the choroid. This fluid causes the retina to lift slightly, leading to blurry or distorted vision.

The exact cause is not fully understood, but several risk factors are associated with CSCR:

• Stress
• Use of corticosteroid medications
• Type A personality traits
• High blood pressure
• Sleep disturbances
• Pregnancy
• Obstructive sleep apnea

Steroid medications are one of the strongest known risk factors. CSCR may occur with:

• Oral steroids
• Steroid creams
• Nasal sprays
• Inhalers
• Steroid injections

Patients should never stop prescribed steroid medications without discussing it with their physician.

Symptoms often appear suddenly and usually affect one eye, although both eyes can sometimes be involved.

Common symptoms include:

• Blurred central vision
• Distorted vision (straight lines appear bent)
• Objects appearing smaller or farther away
• A dark or gray spot in central vision
• Reduced color intensity
• Difficulty reading

Some patients describe vision as looking “dim” or “washed out.”

Peripheral vision is usually normal.

A retinal specialist can diagnose CSCR during a dilated eye examination and with specialized retinal imaging.

Optical Coherence Tomography (OCT)

OCT is the most important test for CSCR. It creates detailed cross-sectional images of the retina and shows fluid beneath the macula.

Fluorescein Angiography

This test uses fluorescent dye injected into a vein in the arm to identify leakage points underneath the retina.

Indocyanine Green Angiography (ICG)

ICG imaging may help evaluate abnormal choroidal blood vessels and guide treatment decisions in chronic cases.

Fundus Photography

Retinal photographs help document the appearance and progression of the condition.

Acute CSCR

Many patients experience a single episode that resolves on its own within several weeks to months.

Vision often improves significantly as the fluid disappears.

Chronic CSCR

In some patients, fluid persists or repeatedly returns over time. Chronic fluid can damage the retina and lead to permanent visual symptoms.

Long-standing CSCR may cause:

• Retinal thinning
• Permanent distortion
• Reduced contrast sensitivity
• Vision loss

Observation

Because many cases improve naturally, initial treatment often involves careful monitoring.

Your retina specialist may recommend:

• Regular OCT imaging
• Avoiding steroid medications when possible
• Stress reduction strategies

Photodynamic Therapy (PDT)

PDT is one of the most effective treatments for chronic CSCR. This procedure uses a light-activated medication and laser treatment to reduce abnormal leakage beneath the retina.

Laser Treatment

In selected cases, focal laser treatment may be used to seal specific leakage points.

Medications

Certain oral medications may sometimes help reduce fluid in chronic cases, although results vary.

The outlook for many patients with CSCR is good, especially in first-time acute cases.

However, some patients continue to experience:

• Mild distortion
• Decreased contrast sensitivity
• Blurry vision
• Recurrent episodes

Chronic or recurrent CSCR may lead to more permanent retinal damage.

Regular follow-up with a retina specialist is important to monitor recovery and detect recurrence.

Patients with CSCR should:

• Avoid unnecessary steroid medications when possible
• Manage stress levels
• Keep follow-up appointments
• Report worsening vision promptly
• Discuss sleep apnea evaluation if appropriate

Many patients recover useful vision, although subtle visual symptoms may persist.