[Visual information and road safety].

The French authorities have recently decided that an eye-sight examination should be required for the delivery of a driving licence and also at a later date for confirmed drivers. This appeared to be necessary, because the impairment of driver's visual capacity is sometimes the cause, either directly or indirectly, of accidents. The visual information relies on the visual acuity but also on contrast sensitivity, the spatial perception, the color vision, the depth appreciation and the visual recovery after a glare.

[A glaucoma follow-up of 1500 persons over 20 years].

The parameters of glaucoma risk have been compiled and computer processed on 1,571 patients during 20 years at the C.P.E.

[Reliability of electrophysiologic examinations for cataract surgery in cases of suspected retinal detachment].

Justification for cataract surgery obviously depends on retinal efficiency. The study of light projections makes it sometimes possible to suspect a retinal detachment. We are, therefore, trying to check for retinal detachment by means of the various exploration processes now available.