Wide aperture...

... shallow depth of field. Faster shutter speed necessary and filters may be required  in bright light to protect the sensor from damage.

I have been banned from weight-lifting, boxing and bungee jumping. That really screwed up my Monday evening.

The optician thinks I have a condition that is very common and not sight-threatening unless ignored. He dilated my pupils so as to see into the eye more easily and  I will be going to hospital for a check. I am calm.