THERE are many reasons for supposing that a perfect goniotomy would be a successful operation for several types of glaucoma, and Barkan (1936) tried it in some cases of chronic simple glaucoma. Apparently his results were not satisfactory, since he gave up this technique for this type of case, and recent histological evidence presented by Maumenee (1959) suggests that goniotomy in practice is not quite the same as goniotomy in theory. The ciliary body and scleral spur are probably maximally affected and it is doubt- ful whether the trabecular meshwork is efficiently divided.
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R. Smith (1960) studied this question.