Al Lens, COMT, began his career in ophthalmology in 1986 at the Gimbel Eye Centre in Calgary, Alberta, Canada. He developed a comprehensive training program to teach new ophthalmic assistants at the clinic where he worked. He then began lecturing at various conferences across North America and Saudi Arabia. His other published works include Ophthalmic Assisting Guide; Optics, Retinoscopy and Refractometry, Second Edition; LASIK for Technicians; and Cataract and Glaucoma for Eyecare Paraprofessionals. Currently, Al works at various clinics in Vancouver, British Columbia, Canada.