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Understanding Occipital Lobe Stroke: What It Affects & How to Recover

medical illustration of brain with occipital lobe highlighted in back

A stroke in the occipital lobe often causes vision problems since this area of the brain processes visual input from the eyes. Sometimes a stroke can be isolated to the occipital lobe, while other times it can also affect nearby brain structures such as the cerebellum, brain stem, thalamus, and temporal lobe.

Many occipital lobe stroke survivors sustain partial blindness, a condition known as hemianopia, which may be remedied, at least to some degree, through vision restoration therapy. In fact, a new 2021 study shows that rigorous vision training may help improve hemianopia after an occipital lobe stroke.

This article will discuss everything you should know about occipital lobe stroke, also known as occipital lobe infarct, and the recovery process. Use the links below to jump straight to any section:

Causes of Occipital Lobe Stroke

stroke occurs when the supply of blood in the brain becomes blocked by either a clogged or burst artery. When a blood clot clogs an artery in the brain, it’s known as an ischemic stroke, which accounts for 87% of all strokes. An ischemic stroke in the occipital lobe is formally called an occipital infarct. A burst or ruptured artery, on the other hand, is known as a hemorrhagic stroke.

When an occipital lobe stroke occurs, it means that an artery in the back of the brain that supplies blood to the occipital lobe has been compromised. The occipital lobe is located near the cerebellum, brain stem, temporal lobe, and thalamus, and a stroke in one of these areas can impact the others.

Common symptoms of a stroke include weakness on one half of the body, facial drooping, and slurred speech. An occipital lobe stroke, however, may not cause these symptoms and instead may cause visual disturbances like blurry vision, hallucinations, or even blindness.

A stroke specifically in the occipital lobe is rare because the arteries in this area have a safety mechanism for blood flow called the “Circle of Willis.” As its name suggests, the Circle of Willis refers to arteries in the brain that are connected in a circle, allowing blood to flow forward or backward to compensate for narrowed or damaged arteries.

Even with a safety mechanism in place, a stroke in the occipital lobe is still possible. When this part of the brain, or any part of the brain, becomes deprived of oxygen-rich blood, brain cells begin to die. This can create serious complications, making stroke a medical emergency that requires immediate, swift treatment.

Treatment for Occipital Lobe Stroke

Once stroke patients arrive in the hospital for treatment, doctors may use a variety of clot-dissolving drugs, like tPA or aspirin, to restore blood flow in the brain after an ischemic stroke. Hemorrhagic strokes often require more invasive treatment like surgery (craniotomy) to stop the bleeding and relieve pressure within the skull.

Correctly diagnosing a stroke is critical for appropriate treatment. Doctors often order a CT or MRI scan to identify the type of stroke so that they can proceed appropriately. For example, while aspirin can be used as emergency stroke treatment due to its blood-thinning effect, it’s only effective for ischemic strokes.

Once a stroke in the occipital lobe has been treated and normal blood flow has been restored in the brain, the road to recovery begins. Survivors will participate in rehabilitation to address any secondary effects that occurred as a result of the stroke.

Secondary Effects of Occipital Lobe Stroke

Many strokes result in a wide array of secondary effects such as motor difficulties or speech difficulties. However, an occipital lobe stroke tends to affect one specific function: vision.

Because the occipital lobe contributes to vision, a stroke in the occipital lobe can result in a variety of different visions problems.

Here are the different types of vision problems that can occur after an occipital lobe stroke:

Homonymous hemianopia

family photo with the left half missing to represent hemianopia after stroke

Each half of the occipital lobe processes visual information on the opposite side of the visual field. When a stroke affects the occipital lobe only on one side, it can cause blindness on the opposite side of the visual field. For example, a stroke in the left occipital lobe can result in blindness on the right side of the visual field.

Similarly, a stroke in the right occipital lobe can result in blindness on the left side of the visual field, also known as a left visual field cut. This is different from left neglect after stroke, which is an attention problem while hemianopia is a visual problem.

Someone with left neglect may not notice you when approached from the left side because they do not have the cognitive awareness to notice you. Someone with a left visual field cut may not notice you when approached from the left because they cannot see that side of their visual field.

Central vision loss

family picture with the center missing to demonstrate central vision loss after occipital lobe stroke

Hemianopia occurs because each half of the occipital lobe processes visual information for the opposite side of the visual field. However, it’s also possible for an occipital lobe stroke to cause a loss of vision in the center of your visual field, a condition known as central vision loss.

Cortical blindness

When all vision is lost after an occipital lobe stroke, it’s called cortical blindness. This differs from “regular” blindness because the eyes are unaffected, but the visual processing abilities of the brain have been severely compromised.

Visual hallucinations

In rare cases, an occipital lobe stroke can result in vivid hallucinations where survivors see various images like lights, sparks, colorful pinwheels, etc. When visual hallucinations occur while other cognitive functions are preserved, it’s called Charles Bonnet Syndrome.


Prosopagnosia refers to “face blindness” where survivors cannot recognize faces. This may occur when the part of the occipital lobe (the fusiform gyrus) that processes faces has been impacted by stroke.

For loved ones, it can be alarming when a survivor does not recognize family members. However, many survivors with prosopagnosia can recognize voices so try your best to be patient and understanding and use your voice to remind your loved one of who you are.

Visual agnosia

Visual agnosia occurs when a survivor cannot identify familiar objects and/or people by sight. This is a subtype of agnosia, a condition that affects the brain’s ability to process what you see, hear, or touch. With visual agnosia, only the ability to process what you see is affected. This can occur after an occipital lobe stroke because this structure of the brain specifically processes vision.

Alexia without agraphia

A stroke in the occipital lobe can also cause a condition known as alexia without a common accompanying condition known as agraphia. Alexia refers to an inability to read or understand written word. Agraphia refers to an inability to communicate through writing.

When an occipital lobe stroke causes alexia without agraphia, it means the survivor cannot read or understand written word but they can still communicate through writing. This is because alexia without agraphia is a visual problem, not a language problem. Reading involves processing visual input while writing involves cognitive language and fine motor skills.

When a stroke only affects the occipital lobe, studies have reported that patients often have “no significant neurological deficits other than visual-field loss.” If you or someone you know has sustained more than just vision challenges after an occipital lobe stroke, it’s possible that the stroke affected nearby structures in the brain such as the cerebellum, brain stem, temporal lobe, and/or thalamus.

Rehabilitation for Occipital Lobe Stroke

With most side effects of an occipital lobe stroke involving vision problems, rehabilitation will revolve around restoring your sight and finding compensatory strategies to make up for visual losses.

Talk to your doctor, who can refer you to a neuro-ophthalmologist or neuro-optometrist. It’s important to see specialists who understand the neurological impact of the stroke on visual processing. A regular optometrist may not be able to help.

After seeing a specialist, some treatment plans may include vision restoration therapy. This rehabilitation method capitalizes on neuroplasticity after stroke, which involves the brain’s ability to heal itself and form new neural networks.

To activate neuroplasticity, vision restoration therapy involves rigorously practicing vision training exercises. Some modalities used include eye movement training (eye exercises), hand-eye coordination exercises, or light therapy. Although research was once very limited, new studies show that intensive visual training may help improve hemianopia (visual field cuts) after an occipital lobe stroke.

Some occupational therapists also receive specialized training to assist individuals with visual challenges. They may be able to educate you in low vision safety strategies, such as placing brightly colored tape on the edge of stairs.

Vision is important for carrying out the activities of daily living, so it’s important to exercise caution and work with trained specialists when your vision has been affected by a stroke.

Outlook for Occipital Lobe Stroke

With many occipital lobe stroke survivors living with visual challenges, there is a great desire for improving vision after stroke. Survivors may also wonder if recovery is still possible if “too much” time has passed since their stroke.

On one hand, the brain generally heals the most rapidly during the first 3 months after stroke, and rehabilitation during this time often produces faster results than the months or years thereafter. This is also the timeframe where spontaneous recovery is more likely. Spontaneous recovery happens when the brain repairs and salvages the penumbra (the brain tissue surrounding the affected area of the brain) and some functions, such as vision, improve without any intervention.

If a survivor is past the first few months of recovery, they may lose hope for restoring vision after an occipital lobe stroke. Fortunately, the brain is capable of rewiring itself throughout a person’s entire life. If it has been many months or years since the event of a stroke, survivors are encouraged to pursue rehabilitation to maximize their chances of rewiring the brain and improving function.

Every stroke is different and therefore every recovery is different. Some occipital lobe stroke survivors will naturally regain their vision through spontaneous recovery while others don’t. The good news is that anyone can pursue vision restoration therapy at any point.

Understanding Occipital Lobe Stroke Recovery

Overall, there is hope for recovery from occipital lobe stroke. By working closely with your medical team, you can come up with a rehabilitation plan that will help you navigate your new life after stroke.

Not all survivors will benefit from vision restoration therapy, but many will, and it’s important not to give up hope even if you think too much time has passed. Also, be sure to work with an occupational therapist or other specialist to learn how to adapt to any visual changes to ensure your safety throughout the day.

We hope this article helped you understand the effects and recovery process for occipital lobe strokes. For more information, see our comprehensive article on the areas of the brain affected by stroke.

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