Certifications > Visual acuity

Visual acuity certificate to DIN EN ISO 9712

A visual acuity certificate to DIN EN ISO 9712 is required for initial certification, renewal and recertification. Evidence is kept with the employer – not as a public end-customer form at SECTOR Cert.

Valid certification requires annual evidence of adequate visual acuity, confirmed by an ophthalmologist, optician or another medically recognised person.

Requirements

  1. Near vision: Jaeger number 1 or Times Roman 4.5 or equivalent characters (height 1.6 mm) at not less than 30 cm with at least one eye, corrected or uncorrected.
  2. Colour vision: recognise and distinguish contrasts between colours or grey shades used in the NDT methods specified by the employer.
  3. Far vision (additionally for VT general visual testing to EN 13018): annually visual acuity grade 0.63 in at least one eye, corrected or uncorrected, according to EN ISO 8596.

Suitable alternatives may be recognised. List: Recognised visual acuity evidence (PDF).

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