All Candidates for BRIPC/ISO9712 examinations will be required, on the day of the examination, to provide proof (refer to BRIPC document F/30 ) of a satisfactory vision test conducted within the 12 months preceding the examination. The requirements of vision are as follows:
a) Near vision acuity shall permit reading a minimum of Jaeger number 1 or Times Roman N 4.5 or equivalent letters (having a height of 1,6 mm) at not less than 30 cm with one or both eyes, either corrected or uncorrected;
b) Colour vision shall be sufficient that the candidate can distinguish and differentiate contrast between the colours or shades of gray used in the NDT method concerned as specified by the employer.
NOTE: Subsequent to certification, the documented tests of visual acuity shall be carried out at least every twelve months and verified by the employer.