Optic neuritis (ON) is not directly caused by sun exposure or lack of protective eyewear. ON is primarily linked to inflammation of the optic nerve, which in MS is triggered by the immune system attacking the myelin (the protective coating around nerves). That said, sun exposure can contribute to light sensitivity Show Full Answer
Optic neuritis (ON) is not directly caused by sun exposure or lack of protective eyewear. ON is primarily linked to inflammation of the optic nerve, which in MS is triggered by the immune system attacking the myelin (the protective coating around nerves). That said, sun exposure can contribute to light sensitivity (photophobia), which is a separate but common MS symptom. If bright light is causing eye pain or discomfort, protective eyewear is definitely worth considering.
Some helpful options include:
- Polarized sunglasses with UV protection
- Rose-colored lenses to block unwanted light wavelengths
- Glasses that block blue light for both indoors and outdoors
One MyMSTeam member shared, "My doctor suggested I wear indoor and outdoor glasses that block out the blue color in light," while another noted that "wearing sunglasses with UVA and UVB protection" helped them manage symptoms. If eye pain or vision changes are being experienced, it's always a good idea to check in with a neurologist or ophthalmologist to rule out ON or other MS-related eye issues. Don't wait too long — early treatment matters!
May 5
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