Portal de Periódicos da CAPES

GLIOMA OF THE RETINA. A REVIEW OF TWELVE CASES

1943; BMJ; Volume: 27; Issue: 6 Linguagem: Inglês

10.1136/bjo.27.6.259

1468-2079

W. B. E. McCrea,

Neurofibromatosis and Schwannoma Cases

service of -a permanent character, since a matter of such importance is to be decided.There woyld seem to be every reason for an agreement on some standardized test which would, prevent any capdidate from passing in one form of test, spending years, perhaps, in training and then failing to pass a more drastic test in the end.The assumption of responsibilites which a person is unfitted to bear is a grave mistake both on the part of the person himself, and those who allow him to dG so.But if a test is strict it must be also just; the real disadvantage of cheap'and untried tests is their variability.It is here that the chief possibility of injustice ir colour vision testing is to be found.It' looks as if it should be easy to -obtain a durable and consistent test; actually it takes a very great deal of care to make one.The present Lantern is an effort in that direction.I am indebted, as before, to those whose belp was acknowledged in the previous paper, and in addition t6 Mr. H.V. Walters for measuring the transmission of some of the filte(s; also to Dr. Graves Pierce for the help mentioned above.