It is a workaday task
Performed in the service of equally workaday people:
A bland smile, a benign greeting,
The quick review of hastily taken skeletal notes,
The fixing of the apparatus, an approximation of eyewear
Fit for some black-and-white-serial robot,
Upon sundry bridges of sundry noses,
And thence the reading of letters,
Done with an easy sure-footedness at first,
Then imperceptibly yet inexorably more hesitant
Until such time they are no long able
To decipher what is before them,
The shapes devoid of meaning,
Hopelessly beyond their ken,
And at such a time he begins to finagle lenses and settings,
Until such a time where the occupant of his chair
Regains equilibrium and pronounces his sight
Sufficient to the task at hand,
But there was one occasion when, inexplicably,
The patient stiffened in abject terror,
Relating in clipped, anguished words
That all he saw was light, nothing but light
Subsuming everything in its presence.
He was able to restore the lenses to such a fashion
Where the figures before him were reasonably familiar,
But as he excused the patient from the chair,
He found himself wishing ruefully
That he knew some grinder, some technician
Who could have fashioned eyewear
To the specifications which had elicited such a reaction.