About a month-and-a-half-ago I was riding my bike. For a change. An unremarkable ride, good distance and speed in good conditions but not much else to really get the blood going. Still it sticks in my mind as it was the first time I had issues with my eyesight. Not blindness or anything so dramatic, more the realisation that I was thinking ‘Where am I?’ in relation to the curb; perspective was shot! And when I was about to cross the road, I to stop and look very hard because it was difficult to make out how far away a car was. In a moment of self-diagnosis, I closed my eyes…