(1) Without prejudice to the requirements of sections 19 and 20 of the Act, where employees are exposed to artificial sources of optical radiation, an employer shall, in consultation with his or her employees or their representatives, or both, make a suitable and appropriate assessment of the risk arising from such exposure.
(2) In carrying out the assessment referred to in paragraph (1), an employer shall, if necessary, measure and or calculate the level of exposure to artificial optical radiation to which his or her employees are exposed.
(3) The level of exposure to artificial optical radiation shall be assessed, measured or calculated on the basis set out in Part 3 of Schedule 11.
(4) An employer shall be responsible for the assessment referred to in paragraph (1) being planned and competently carried out at suit- able intervals.
(5) An employer shall give particular attention when carrying out the assessment referred to in paragraph (1) to the following -
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