All symptoms
Temporary loss of vision – your vision may become dark or "greyed out" for a few seconds at a time; this can be triggered by coughing, sneezing or bending down
A temporary loss of vision can occur, where your sight may briefly become dark or appear "greyed out." This can happen when you cough, sneeze, or bend down and may be linked to different health issues. It's important to speak to a healthcare professional if you notice this symptom.
When to seek medical help
If your temporary loss of vision – your vision may become dark or "greyed out" for a few seconds at a time; this can be triggered by coughing, sneezing or bending down is severe, sudden, or accompanied by other concerning symptoms, seek urgent medical attention. Always consult a healthcare professional if you are concerned.