She, until December of last year, had never known you as a fully-sighted man.

You met through a reputable online dating service. Each of you happy to just find friends, companionship and fun. The dot-com dating scene was new territory for both of you, and you were both within a few days of dumping the subscriptions promising well-matched bliss, and return to trolling the supermarkets… (not really, but low tech is a totally comfortable space for people your age).