Today, 24th January 2025, I sat down at my laptop to read the Twitter feed and I couldn't focus on the text. I thought my glasses were dirty and so I cleaned them but the probably persisted. After a few minutes, normal vision returned. This was unsettling as a sudden decline in one's near vision can't be a good thing.
Transient episodes of blurred or "grayed out" vision can be a sign of a tumour in the brain that is pressing on the optic nerve. Hopefully that's not the case. All I can do is to monitor the situation and make a note of any further vision abnormalities. I'll use this post and the site to record such observations.
There's certainly some family history of such tumours. My maternal grandmother suffered from a tumour on her pituatary gland. It was removed when she was aged 66 but she wasn't the same woman after the operation. My aunty and my grandmother's youngest child suffered terrible headaches that were initially diagnosed as a mental disorder but later it was revealed that she had a malignant tumour that was affecting her brain. She died at age 37. My brother Tony suffered from an acoustic neuroma that was removed when he was 19 years old.
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