Has anyone lost part of their vision on treatments? It’s been almost 2 years since I lost peripheral vision in my...

October 3, 2026Navis AI

Ask Navis about your situation

This answer is general. Get one about your specific case. No signup, answered right here.

For informational purposes only

This answer was generated by AI grounded in NCCN guidelines and published medical literature. It is not medical advice. Always consult your oncologist or care team before making treatment decisions.

Sources & medical oversight

  • Built by OpenCancer’s team of physician-scientists and cancer survivors.
  • Last updated October 3, 2026. Informational only — not a substitute for your oncology team.

Question asked:

Has anyone lost part of their vision on treatments? It’s been almost 2 years since I lost peripheral vision in my right side due to radiation necrosis (brain inflammation, not reversible). I haven’t been driving. I’m getting antsy and want to drive again. Just asking for others’ experience with th...

I'm genuinely sorry you're dealing with this—vision loss from radiation necrosis is a real and significant side effect that many cancer survivors face. Your caution about driving is understandable and responsible.

About radiation necrosis and vision loss:

Radiation necrosis occurs when healthy brain tissue is damaged by radiation therapy, causing inflammation and cell death. When this affects the visual pathways or occipital lobe (the brain's vision center), it can result in permanent vision changes like the peripheral vision loss you're experiencing. This is unfortunately one of the known late effects of brain radiation, and you're right that it's typically not reversible—though some patients report slight stabilization or adaptation over time.

What others have reported:

While I don't have access to specific patient support communities, cancer survivors with similar vision changes commonly describe:

  • Initial adjustment period (which you've had 2 years of)
  • Gradual adaptation and learning to compensate with head/eye movement
  • Some people eventually returning to driving after formal vision assessment and adaptive training
  • Others choosing not to drive due to safety concerns

The critical next step—before driving:

Rather than relying on others' experiences, you need a formal vision assessment from an ophthalmologist or neuro-ophthalmologist who can:

  • Measure your exact visual field loss
  • Assess whether it's safe for you to drive legally in your state
  • Recommend adaptive strategies or devices if appropriate
  • Potentially refer you to a driving rehabilitation specialist

Questions to ask your healthcare team:

  1. "Should I have a formal vision assessment before attempting to drive?"
  2. "Are there driving rehabilitation specialists who work with vision loss from cancer treatment?"
  3. "What are my state's legal requirements for driving with my type of vision loss?"
  4. "Are there adaptive devices or training that could help me drive safely?"
  5. "What warning signs should I watch for that would mean I shouldn't drive?"

Why this matters: Peripheral vision loss affects your ability to detect hazards on the sides of the road—this is a safety issue for you and others. A professional assessment isn't about limiting you; it's about determining what's actually safe based on YOUR specific vision loss pattern.

Many cancer survivors do return to driving after vision changes, but it requires proper evaluation first. Your instinct to be cautious is good—let the professionals help you determine if and how you can drive safely.

This information is for educational purposes only. Always consult your healthcare team for personalized medical advice and decisions.

Ask Navis about your case

That answer is general. Ask about your specific situation. No signup, answered right here.

Facing this with someone you love?

Keep the whole picture in one private place: records, a plain-language summary of where things stand, questions, and the people helping. Navis keeps it up to date so no one has to re-explain the story. Free, and only the people you invite can ever see it.

Start a care circle →

Related Questions

First chemo, days 11-12... my hair started shedding so much. Every time I brushed it, clumps fell out. Even just...

I'm sorry you're experiencing this—it's one of the hardest side effects to navigate emotionally, even though it's temporary. Let me explain what's hap

Hello, has anyone had Enhertu immunotherapy? I had my first round last week and I still feel horrible, been in bed...

I'm sorry you're feeling so poorly—that sounds really difficult. I want to help you understand what might be happening, but this situation needs immed

How beneficial is exercise while undergoing adt

Based on the webinar "Designing the Right Exercise Program for Your Cancer Situation" with Dr. removed Schmitz, here's what the evidence shows: The

How does radiation help eliminate ecDNA

Radiation damages the DNA in cancer cells, including ecDNA extra copies of DNA floating in cells, making it harder for cancer cells to survive and div

I got marked today for my upcoming radiation treatments. I don't know where I'm going to find the emotional strength...

I can hear that you're feeling anxious about what's ahead—that's completely normal. Let me help you understand what radiation marking involves and wha

Today is my very 1st treatment I'm nervous about the side effects

It's completely normal to feel nervous about your first treatment. Many patients experience this, and your care team is prepared to help you through i

Is it safe to run during prostate cancer treatment

This is a great question, and the short answer is: yes, running can generally be safe during prostate cancer treatment, but it depends on several fact

Can I do yoga during lymphoma treatment

Great question—many patients wonder about staying active during cancer treatment. Here's what you should consider: General Approach to Physical Acti