Binocular Accommodation Gauge RAFR-2

UK Manufactured  – UKCA Approved – RAFR-2 Rule

Face 1: A point on a line which can be used as a fixation target for assessing convergence etc.

Face 2: On the original RAF Rule from which this Accommodation Gauge is derived (Neely, J.C, 1956; The RAF near-point rule; Br. J. Ophthalmol., 40, 636-637), this face had a photograph of entries in a GPO telephone directory. This has been updated for GDPR compliance and period relevance to represent a piece of text in a 7pt sans font which is the minimum recommended size for text on a medicine box insert in EU and UK.

Face 3: A near point reading test with font sizes from n5 to n12.

Face 4: A reduced Snellen chart. The bottom line characters subtend 5’ arc when set to 35cm from the subject’s face (6/6, 20/20 or logMAR 0)