SPONSOR CPD PROGRAMME Continuing professional development (CPD) is the regular maintenance, improvement and broadening of your knowledge and skills, to maintain professional competence. It is a requirement of CIBSE and other professional bodies. This Journal CPD programme can be used to meet your CPD requirements. Study the module and answer the questions on The importance of optical control for exterior lighting completed module is equivalent to 1.5 hours of CPD. Modules are also available at www.cibsejournal.com/cpd This module considers how optical performance impacts the implementation of exterior lighting applications As discussed in CIBSE Journal CPD module 173, manufacturers, consultants and Guide to limiting obtrusive light,1 www.cibsejournal.com October 2021 53 CIBSE Oct21 pp53-56 CPD186 Tamlite Supp.indd 53 24/09/2021 18:02