When elevated body temperature impairs vision or other MS symptoms, it’s called Uhthoff’s phenomenon. Uhthoff’s occurs because of previous damage to myelinated nerves due to MS. It ...

seeing flashing lights or floaters in one or both eyes Uhthoff’s phenomenon, or Uhthoff’s sign, when vision worsens with an increase in body temperature When ON affects one eye only ...

Rising global temperatures can exacerbate MS symptoms, including fatigue, weakness, and cognitive issues (a phenomenon known as Uhthoff’s phenomenon). • Stroke Risk: Dr. Prasad explains that ...