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10
and distance varying, but the method is sufficient to detect errors
of vision requiring treatment or observation—and in actual fact
there is usually no important difference in the result of a test in
the school from that obtained when the child is seen at the Eye
Clinic and tested under perfect conditions.
Table I. shows the total examined with numbers requiring
treatment and percentages—and the same total analysed according
to age and sex.
Table II. shews the numbers analysed according to sex and
school.
It is impossible to draw conclusions from such small numbers,
but it is proposed to analyse the figures for several years, so that
later conclusions may be drawn. It should be pointed out that
these figures relate to children requiring treatment or observation
for visual defect as found at the Medical Inspection. They are not
an index of the amount of visual defect existing amongst the
school children of this district as materially children with a defect
satisfactorily corrected are not included.
Ages 11, 14, 15, 16, relate only to children at the Spring Grove
Central School, where every child is examined each year. The
numbers, are, therefore very small.
At the other schools where the children leave at 14. the usual
age groups, 5, 8, 12, were examined together with those absent at
the previous Medical Inspection giving the secondary and smaller
groups of 6, 9, 13.