ISDT is pleased to launch a Certificate in Dispensing Optics (CDO) course for working opticians, optical sales people, ophthalmologists & optometrists. This is highly needed up-gradation in Dispensing Optics. This course is upgraded version of ISDT,s earlier Certified Dispensing optician course now recognized by Indira Gandhi National Open university (IGNOU), India. This is the only course for opticians, recognized by university.