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The above table shows the nature and sex incidence of this deformity.
Thirty-seven children showed evidence of Unilateral Convergent Squint,
six children had Alternating Squint, one child a Divergent Unilateral
Squint, and one child squinted occasionally.
The left eye is much more frequently involved than the right.
GROUP B.
Ninety-seven per cent of the children submitted for treatment had
defective sight, due to errors of refraction, a condition in which the
eye is slightly out of shape, or has a difficulty or insufficient power of
focussing.
The optical conditions associated with defective sight are known as
(1.) Hypermetropia. (2.) Astigmatism. (3.) Myopia.
Odd eyes is a condition in which one eye is Hypermetropic, the
other Myopic.
The appended Table II shows the relative proportions of the various
forms of error of refraction:—