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In spite of the war and the absence of several of its key members, the Ophthalmological Society of Australia continues to function vigorously. This volume of the transactions, reporting the second annual meeting, fulfils the promise made by its predecessor.
Counsell, who is now a wing commander in the Royal Australian Air Force, reported on air force standards and examination procedure. Of all applicants 11 per cent were rejected on account of ocular shortcomings, and of these 30 per cent were found to have defective vision. Color vision was found to be at fault in 29 per cent. Further studies on fusion were presented by Anderson and by Mann.
Squadron Leader Blakemore submitted a paper on the visual complications of high speed flying. The principal complication is the transient blindness known as a black-out. This is due to corticofugalcentrifugal force and varies from a graying or bluing of the vision