# Directive 2007/59/EC of the European Parliament and of the Council of 23 October 2007 on the certification of train drivers operating locomotives and trains on the railway system in the Community, Division 1.2

Extent: E+W+S+N.I.

Vision
The following requirements as regards vision must be complied with:
aided or unaided distance visual acuity: 1,0; minimum of 0,5 for the worse eye,
maximum corrective lenses: hypermetropia + 5/myopia -8. Derogations are authorised in exceptional cases and after having obtained the opinion of an eye specialist. The medical doctor then takes the decision,
near and intermediate vision: sufficient, whether aided or unaided,
contact lenses and glasses are authorised when periodically checked by a specialist,
normal colour vision: use of a recognised test, such as Ishihara, as well as another recognised test if required,
field of vision: full,
vision for both eyes: effective,
binocular vision: effective,
recognition of colour signals: the test shall be based on recognition of single colours and not on relative differences,
sensitivity to contrasts: good,
no progressive eye diseases,
lens implants, keratotomies and keratectomies are allowed only on condition that they are checked on a yearly basis or at intervals set by the medical doctor,
ability to withstand dazzle,
coloured contact lenses and photochromatic lenses are not allowed. UV filter lenses are allowed.

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Source: https://www.legislation.gov.uk/eudr/2007/59/annex/II/division/1/division/1.2 (the official version)
Page: https://openlegislation.uk/eu-directive-2007-59/annex-II/division-1/division-1.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.