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think, if a routine examination of the fusion function could be
made, we would find many deficiencies. When we consider what
an active sense sight is; how perceptions are built up out of
myriads of tiny oscillatory movements (even when the eye is
"fixed"), how the mind has to build its clear pictures out of this
confusing succession of images and after-images; when we remember
the vast number of nerve endings in the retina subjected to this
continual bombardment, and the unique ocular muscles so highly
sensitive and for ever in action; and moreover, when we recollect
what great violence we do to nature by setting children to converge
and accommodate all day—to look down their noses with organs
that only are "at rest" when gazing on far horizons (i.e. more
than 20ft ! ); then we can only marvel at the adaptability of man
and wonder if some of its failures are not due as much to lack
of fusion as to lack of psychological balance. The static part
of vision is well cared for, but the active has to take care of itself.
We have no eye drills nor gymnastics. But to test the accuracy
of this notion would take more research work than can well be
undertaken by the Local Authority.
Again I have great pleasure in recording my thanks to our
very efficient medical and secretarial staff.
I am, Mr. Chairman, Ladies and Gentlemen,
Your obedient servant,
STEWART MACKY.
School Ophthalmic Surgeon.