Diploma holders in optometry assist Optometrists in performing their works in hospitals, large clinics, and in their individual offices. Optometry technicians and optometrists are those healthcare professionals who are concerned with curing diseases and disorders of the human visual system, the eye. They offer complete vision care, which includes examination and diagnosis of various disorders and diseases related with eye and the associated structures, prevention or treatment of these, recommendation of lenses for improved vision, etc.